19156973275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{981151}}^1$

素因数の和:981243

約数の個数: 24

約数和(自身を含む): 26279175168

約数和(自身を除く): 7122201893

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 3905, 19525, 981151, 4905755, 10792661, 24528775, 53963305, 69661721, 269816525, 348308605, 766278931, 1741543025, 3831394655, 19156973275]

約数ペア:

[(1, 19156973275), (5, 3831394655), (11, 1741543025), (25, 766278931), (55, 348308605), (71, 269816525), (275, 69661721), (355, 53963305), (781, 24528775), (1775, 10792661), (3905, 4905755), (19525, 981151)]