18746910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 63201600

約数和(自身を除く): 44454690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 49, 54, 63, 65, 70, 78, 90, 91, 98, 105, 109, 117, 126, 130, 135, 147, 182, 189, 195, 210, 218, 234, 245, 270, 273, 294, 315, 327, 351, 378, 390, 441, 455, 490, 545, 546, 585, 630, 637, 654, 702, 735, 763, 819, 882, 910, 945, 981, 1090, 1170, 1274, 1323, 1365, 1417, 1470, 1526, 1635, 1638, 1755, 1890, 1911, 1962, 2205, 2289, 2457, 2646, 2730, 2834, 2943, 3185, 3270, 3510, 3815, 3822, 4095, 4251, 4410, 4578, 4905, 4914, 5341, 5733, 5886, 6370, 6615, 6867, 7085, 7630, 8190, 8502, 9555, 9810, 9919, 10682, 11445, 11466, 12285, 12753, 13230, 13734, 14170, 14715, 16023, 17199, 19110, 19838, 20601, 21255, 22890, 24570, 25506, 26705, 28665, 29430, 29757, 32046, 34335, 34398, 38259, 41202, 42510, 48069, 49595, 53410, 57330, 59514, 63765, 68670, 69433, 76518, 80115, 85995, 89271, 96138, 99190, 103005, 127530, 138866, 144207, 148785, 160230, 171990, 178542, 191295, 206010, 208299, 240345, 267813, 288414, 297570, 347165, 382590, 416598, 446355, 480690, 535626, 624897, 694330, 721035, 892710, 1041495, 1249794, 1339065, 1442070, 1874691, 2082990, 2678130, 3124485, 3749382, 6248970, 9373455, 18746910]

約数ペア:

[(1, 18746910), (2, 9373455), (3, 6248970), (5, 3749382), (6, 3124485), (7, 2678130), (9, 2082990), (10, 1874691), (13, 1442070), (14, 1339065), (15, 1249794), (18, 1041495), (21, 892710), (26, 721035), (27, 694330), (30, 624897), (35, 535626), (39, 480690), (42, 446355), (45, 416598), (49, 382590), (54, 347165), (63, 297570), (65, 288414), (70, 267813), (78, 240345), (90, 208299), (91, 206010), (98, 191295), (105, 178542), (109, 171990), (117, 160230), (126, 148785), (130, 144207), (135, 138866), (147, 127530), (182, 103005), (189, 99190), (195, 96138), (210, 89271), (218, 85995), (234, 80115), (245, 76518), (270, 69433), (273, 68670), (294, 63765), (315, 59514), (327, 57330), (351, 53410), (378, 49595), (390, 48069), (441, 42510), (455, 41202), (490, 38259), (545, 34398), (546, 34335), (585, 32046), (630, 29757), (637, 29430), (654, 28665), (702, 26705), (735, 25506), (763, 24570), (819, 22890), (882, 21255), (910, 20601), (945, 19838), (981, 19110), (1090, 17199), (1170, 16023), (1274, 14715), (1323, 14170), (1365, 13734), (1417, 13230), (1470, 12753), (1526, 12285), (1635, 11466), (1638, 11445), (1755, 10682), (1890, 9919), (1911, 9810), (1962, 9555), (2205, 8502), (2289, 8190), (2457, 7630), (2646, 7085), (2730, 6867), (2834, 6615), (2943, 6370), (3185, 5886), (3270, 5733), (3510, 5341), (3815, 4914), (3822, 4905), (4095, 4578), (4251, 4410)]