18654909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 31954944

約数和(自身を除く): 13300035

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2971, 6279, 8913, 20797, 38623, 62391, 68333, 115869, 204999, 270361, 478331, 811083, 888329, 1434993, 2664987, 6218303, 18654909]

約数ペア:

[(1, 18654909), (3, 6218303), (7, 2664987), (13, 1434993), (21, 888329), (23, 811083), (39, 478331), (69, 270361), (91, 204999), (161, 115869), (273, 68333), (299, 62391), (483, 38623), (897, 20797), (2093, 8913), (2971, 6279)]