1915041921

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{19571}}^1$

素因数の和:19793

約数の個数: 24

約数和(自身を含む): 2779380576

約数和(自身を除く): 864338655

約数列:

[1, 3, 13, 39, 169, 193, 507, 579, 2509, 7527, 19571, 32617, 58713, 97851, 254423, 763269, 3307499, 3777203, 9922497, 11331609, 49103639, 147310917, 638347307, 1915041921]

約数ペア:

[(1, 1915041921), (3, 638347307), (13, 147310917), (39, 49103639), (169, 11331609), (193, 9922497), (507, 3777203), (579, 3307499), (2509, 763269), (7527, 254423), (19571, 97851), (32617, 58713)]