18266619

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 31034880

約数和(自身を除く): 12768261

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2693, 6783, 8079, 18851, 45781, 51167, 56553, 137343, 153501, 320467, 358169, 869839, 961401, 1074507, 2609517, 6088873, 18266619]

約数ペア:

[(1, 18266619), (3, 6088873), (7, 2609517), (17, 1074507), (19, 961401), (21, 869839), (51, 358169), (57, 320467), (119, 153501), (133, 137343), (323, 56553), (357, 51167), (399, 45781), (969, 18851), (2261, 8079), (2693, 6783)]