19094257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 5726735

約数列:

[1, 7, 13, 37, 53, 91, 107, 259, 371, 481, 689, 749, 1391, 1961, 3367, 3959, 4823, 5671, 9737, 13727, 25493, 27713, 39697, 51467, 73723, 178451, 209827, 360269, 516061, 1468789, 2727751, 19094257]

約数ペア:

[(1, 19094257), (7, 2727751), (13, 1468789), (37, 516061), (53, 360269), (91, 209827), (107, 178451), (259, 73723), (371, 51467), (481, 39697), (689, 27713), (749, 25493), (1391, 13727), (1961, 9737), (3367, 5671), (3959, 4823)]