19705347

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 29343600

約数和(自身を除く): 9638253

約数列:

[1, 3, 9, 53, 109, 159, 327, 379, 477, 981, 1137, 3411, 5777, 17331, 20087, 41311, 51993, 60261, 123933, 180783, 371799, 2189483, 6568449, 19705347]

約数ペア:

[(1, 19705347), (3, 6568449), (9, 2189483), (53, 371799), (109, 180783), (159, 123933), (327, 60261), (379, 51993), (477, 41311), (981, 20087), (1137, 17331), (3411, 5777)]