19549530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 288

約数和(自身を含む): 71705088

約数和(自身を除く): 52155558

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 31, 33, 35, 39, 42, 45, 49, 55, 62, 63, 65, 66, 70, 77, 78, 90, 91, 93, 98, 99, 105, 110, 117, 126, 130, 143, 147, 154, 155, 165, 182, 186, 195, 198, 210, 217, 231, 234, 245, 273, 279, 286, 294, 310, 315, 330, 341, 385, 390, 403, 429, 434, 441, 455, 462, 465, 490, 495, 539, 546, 558, 585, 630, 637, 651, 682, 693, 715, 735, 770, 806, 819, 858, 882, 910, 930, 990, 1001, 1023, 1078, 1085, 1155, 1170, 1209, 1274, 1287, 1302, 1365, 1386, 1395, 1430, 1470, 1519, 1617, 1638, 1705, 1911, 1953, 2002, 2015, 2046, 2145, 2170, 2205, 2310, 2387, 2418, 2574, 2695, 2730, 2790, 2821, 3003, 3038, 3069, 3185, 3234, 3255, 3410, 3465, 3627, 3822, 3906, 4030, 4095, 4290, 4410, 4433, 4557, 4774, 4851, 5005, 5115, 5390, 5642, 5733, 6006, 6045, 6138, 6370, 6435, 6510, 6930, 7007, 7161, 7254, 7595, 8085, 8190, 8463, 8866, 9009, 9114, 9555, 9702, 9765, 10010, 10230, 11466, 11935, 12090, 12870, 13299, 13671, 14014, 14105, 14322, 15015, 15190, 15345, 16170, 16709, 16926, 18018, 18135, 19110, 19530, 19747, 21021, 21483, 22165, 22785, 23870, 24255, 25389, 26598, 27342, 28210, 28665, 30030, 30690, 31031, 33418, 35035, 35805, 36270, 39494, 39897, 42042, 42315, 42966, 44330, 45045, 45570, 48510, 50127, 50778, 57330, 59241, 62062, 63063, 66495, 68355, 70070, 71610, 79794, 83545, 84630, 90090, 93093, 98735, 100254, 105105, 107415, 118482, 126126, 126945, 132990, 136710, 150381, 155155, 167090, 177723, 186186, 197470, 199485, 210210, 214830, 217217, 250635, 253890, 279279, 296205, 300762, 310310, 315315, 355446, 398970, 434434, 465465, 501270, 558558, 592410, 630630, 651651, 751905, 888615, 930930, 1086085, 1303302, 1396395, 1503810, 1777230, 1954953, 2172170, 2792790, 3258255, 3909906, 6516510, 9774765, 19549530]

約数ペア:

[(1, 19549530), (2, 9774765), (3, 6516510), (5, 3909906), (6, 3258255), (7, 2792790), (9, 2172170), (10, 1954953), (11, 1777230), (13, 1503810), (14, 1396395), (15, 1303302), (18, 1086085), (21, 930930), (22, 888615), (26, 751905), (30, 651651), (31, 630630), (33, 592410), (35, 558558), (39, 501270), (42, 465465), (45, 434434), (49, 398970), (55, 355446), (62, 315315), (63, 310310), (65, 300762), (66, 296205), (70, 279279), (77, 253890), (78, 250635), (90, 217217), (91, 214830), (93, 210210), (98, 199485), (99, 197470), (105, 186186), (110, 177723), (117, 167090), (126, 155155), (130, 150381), (143, 136710), (147, 132990), (154, 126945), (155, 126126), (165, 118482), (182, 107415), (186, 105105), (195, 100254), (198, 98735), (210, 93093), (217, 90090), (231, 84630), (234, 83545), (245, 79794), (273, 71610), (279, 70070), (286, 68355), (294, 66495), (310, 63063), (315, 62062), (330, 59241), (341, 57330), (385, 50778), (390, 50127), (403, 48510), (429, 45570), (434, 45045), (441, 44330), (455, 42966), (462, 42315), (465, 42042), (490, 39897), (495, 39494), (539, 36270), (546, 35805), (558, 35035), (585, 33418), (630, 31031), (637, 30690), (651, 30030), (682, 28665), (693, 28210), (715, 27342), (735, 26598), (770, 25389), (806, 24255), (819, 23870), (858, 22785), (882, 22165), (910, 21483), (930, 21021), (990, 19747), (1001, 19530), (1023, 19110), (1078, 18135), (1085, 18018), (1155, 16926), (1170, 16709), (1209, 16170), (1274, 15345), (1287, 15190), (1302, 15015), (1365, 14322), (1386, 14105), (1395, 14014), (1430, 13671), (1470, 13299), (1519, 12870), (1617, 12090), (1638, 11935), (1705, 11466), (1911, 10230), (1953, 10010), (2002, 9765), (2015, 9702), (2046, 9555), (2145, 9114), (2170, 9009), (2205, 8866), (2310, 8463), (2387, 8190), (2418, 8085), (2574, 7595), (2695, 7254), (2730, 7161), (2790, 7007), (2821, 6930), (3003, 6510), (3038, 6435), (3069, 6370), (3185, 6138), (3234, 6045), (3255, 6006), (3410, 5733), (3465, 5642), (3627, 5390), (3822, 5115), (3906, 5005), (4030, 4851), (4095, 4774), (4290, 4557), (4410, 4433)]