18986032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2467}}^1$

素因数の和:2525

約数の個数: 40

約数和(自身を含む): 40702256

約数和(自身を除く): 21716224

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2467, 3848, 4934, 7696, 9868, 19736, 32071, 39472, 64142, 91279, 128284, 182558, 256568, 365116, 513136, 730232, 1186627, 1460464, 2373254, 4746508, 9493016, 18986032]

約数ペア:

[(1, 18986032), (2, 9493016), (4, 4746508), (8, 2373254), (13, 1460464), (16, 1186627), (26, 730232), (37, 513136), (52, 365116), (74, 256568), (104, 182558), (148, 128284), (208, 91279), (296, 64142), (481, 39472), (592, 32071), (962, 19736), (1924, 9868), (2467, 7696), (3848, 4934)]