18310461

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 9510339

約数列:

[1, 3, 13, 23, 39, 69, 137, 149, 299, 411, 447, 897, 1781, 1937, 3151, 3427, 5343, 5811, 9453, 10281, 20413, 40963, 44551, 61239, 122889, 133653, 265369, 469499, 796107, 1408497, 6103487, 18310461]

約数ペア:

[(1, 18310461), (3, 6103487), (13, 1408497), (23, 796107), (39, 469499), (69, 265369), (137, 133653), (149, 122889), (299, 61239), (411, 44551), (447, 40963), (897, 20413), (1781, 10281), (1937, 9453), (3151, 5811), (3427, 5343)]