19616493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11349267

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1151, 1311, 3453, 5681, 14963, 17043, 21869, 26473, 44889, 65607, 79419, 284297, 344149, 502987, 852891, 1032447, 1508961, 6538831, 19616493]

約数ペア:

[(1, 19616493), (3, 6538831), (13, 1508961), (19, 1032447), (23, 852891), (39, 502987), (57, 344149), (69, 284297), (247, 79419), (299, 65607), (437, 44889), (741, 26473), (897, 21869), (1151, 17043), (1311, 14963), (3453, 5681)]