19836180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 216

約数和(自身を含む): 75813192

約数和(自身を除く): 55977012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 173, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 346, 364, 390, 420, 441, 455, 468, 490, 519, 546, 585, 588, 630, 637, 692, 735, 780, 819, 865, 882, 910, 980, 1038, 1092, 1170, 1211, 1260, 1274, 1365, 1470, 1557, 1638, 1730, 1764, 1820, 1911, 2076, 2205, 2249, 2340, 2422, 2548, 2595, 2730, 2940, 3114, 3185, 3276, 3460, 3633, 3822, 4095, 4410, 4498, 4844, 5190, 5460, 5733, 6055, 6228, 6370, 6747, 7266, 7644, 7785, 8190, 8477, 8820, 8996, 9555, 10380, 10899, 11245, 11466, 12110, 12740, 13494, 14532, 15570, 15743, 16380, 16954, 18165, 19110, 20241, 21798, 22490, 22932, 24220, 25431, 26988, 28665, 31140, 31486, 33735, 33908, 36330, 38220, 40482, 42385, 43596, 44980, 47229, 50862, 54495, 57330, 62972, 67470, 72660, 76293, 78715, 80964, 84770, 94458, 101205, 101724, 108990, 110201, 114660, 127155, 134940, 141687, 152586, 157430, 169540, 188916, 202410, 217980, 220402, 236145, 254310, 283374, 305172, 314860, 330603, 381465, 404820, 440804, 472290, 508620, 551005, 566748, 661206, 708435, 762930, 944580, 991809, 1102010, 1322412, 1416870, 1525860, 1653015, 1983618, 2204020, 2833740, 3306030, 3967236, 4959045, 6612060, 9918090, 19836180]

約数ペア:

[(1, 19836180), (2, 9918090), (3, 6612060), (4, 4959045), (5, 3967236), (6, 3306030), (7, 2833740), (9, 2204020), (10, 1983618), (12, 1653015), (13, 1525860), (14, 1416870), (15, 1322412), (18, 1102010), (20, 991809), (21, 944580), (26, 762930), (28, 708435), (30, 661206), (35, 566748), (36, 551005), (39, 508620), (42, 472290), (45, 440804), (49, 404820), (52, 381465), (60, 330603), (63, 314860), (65, 305172), (70, 283374), (78, 254310), (84, 236145), (90, 220402), (91, 217980), (98, 202410), (105, 188916), (117, 169540), (126, 157430), (130, 152586), (140, 141687), (147, 134940), (156, 127155), (173, 114660), (180, 110201), (182, 108990), (195, 101724), (196, 101205), (210, 94458), (234, 84770), (245, 80964), (252, 78715), (260, 76293), (273, 72660), (294, 67470), (315, 62972), (346, 57330), (364, 54495), (390, 50862), (420, 47229), (441, 44980), (455, 43596), (468, 42385), (490, 40482), (519, 38220), (546, 36330), (585, 33908), (588, 33735), (630, 31486), (637, 31140), (692, 28665), (735, 26988), (780, 25431), (819, 24220), (865, 22932), (882, 22490), (910, 21798), (980, 20241), (1038, 19110), (1092, 18165), (1170, 16954), (1211, 16380), (1260, 15743), (1274, 15570), (1365, 14532), (1470, 13494), (1557, 12740), (1638, 12110), (1730, 11466), (1764, 11245), (1820, 10899), (1911, 10380), (2076, 9555), (2205, 8996), (2249, 8820), (2340, 8477), (2422, 8190), (2548, 7785), (2595, 7644), (2730, 7266), (2940, 6747), (3114, 6370), (3185, 6228), (3276, 6055), (3460, 5733), (3633, 5460), (3822, 5190), (4095, 4844), (4410, 4498)]