18860270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 40582080

約数和(自身を除く): 21721810

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 109, 110, 121, 130, 143, 218, 242, 286, 545, 605, 715, 1090, 1199, 1210, 1331, 1417, 1430, 1573, 2398, 2662, 2834, 3146, 5995, 6655, 7085, 7865, 11990, 13189, 13310, 14170, 15587, 15730, 17303, 26378, 31174, 34606, 65945, 77935, 86515, 131890, 145079, 155870, 171457, 173030, 290158, 342914, 725395, 857285, 1450790, 1714570, 1886027, 3772054, 9430135, 18860270]

約数ペア:

[(1, 18860270), (2, 9430135), (5, 3772054), (10, 1886027), (11, 1714570), (13, 1450790), (22, 857285), (26, 725395), (55, 342914), (65, 290158), (109, 173030), (110, 171457), (121, 155870), (130, 145079), (143, 131890), (218, 86515), (242, 77935), (286, 65945), (545, 34606), (605, 31174), (715, 26378), (1090, 17303), (1199, 15730), (1210, 15587), (1331, 14170), (1417, 13310), (1430, 13189), (1573, 11990), (2398, 7865), (2662, 7085), (2834, 6655), (3146, 5995)]