18090380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 50222592

約数和(自身を除く): 32132212

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 691, 748, 770, 935, 1190, 1309, 1382, 1540, 1870, 2380, 2618, 2764, 3455, 3740, 4837, 5236, 6545, 6910, 7601, 9674, 11747, 13090, 13820, 15202, 19348, 23494, 24185, 26180, 30404, 38005, 46988, 48370, 53207, 58735, 76010, 82229, 96740, 106414, 117470, 129217, 152020, 164458, 212828, 234940, 258434, 266035, 328916, 411145, 516868, 532070, 646085, 822290, 904519, 1064140, 1292170, 1644580, 1809038, 2584340, 3618076, 4522595, 9045190, 18090380]

約数ペア:

[(1, 18090380), (2, 9045190), (4, 4522595), (5, 3618076), (7, 2584340), (10, 1809038), (11, 1644580), (14, 1292170), (17, 1064140), (20, 904519), (22, 822290), (28, 646085), (34, 532070), (35, 516868), (44, 411145), (55, 328916), (68, 266035), (70, 258434), (77, 234940), (85, 212828), (110, 164458), (119, 152020), (140, 129217), (154, 117470), (170, 106414), (187, 96740), (220, 82229), (238, 76010), (308, 58735), (340, 53207), (374, 48370), (385, 46988), (476, 38005), (595, 30404), (691, 26180), (748, 24185), (770, 23494), (935, 19348), (1190, 15202), (1309, 13820), (1382, 13090), (1540, 11747), (1870, 9674), (2380, 7601), (2618, 6910), (2764, 6545), (3455, 5236), (3740, 4837)]