19876487275

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{1511}}^1\times {\mathrm{7411}}^1$

素因数の和:9003

約数の個数: 24

約数和(自身を含む): 25013899008

約数和(自身を除く): 5137411733

約数列:

[1, 5, 25, 71, 355, 1511, 1775, 7411, 7555, 37055, 37775, 107281, 185275, 526181, 536405, 2630905, 2682025, 11198021, 13154525, 55990105, 279950525, 795059491, 3975297455, 19876487275]

約数ペア:

[(1, 19876487275), (5, 3975297455), (25, 795059491), (71, 279950525), (355, 55990105), (1511, 13154525), (1775, 11198021), (7411, 2682025), (7555, 2630905), (37055, 536405), (37775, 526181), (107281, 185275)]