19691347986

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7870243}}^1$

素因数の和:7870390

約数の個数: 24

約数和(自身を含む): 42971532240

約数和(自身を除く): 23280184254

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7870243, 15740486, 23610729, 47221458, 70832187, 141664374, 1093963777, 2187927554, 3281891331, 6563782662, 9845673993, 19691347986]

約数ペア:

[(1, 19691347986), (2, 9845673993), (3, 6563782662), (6, 3281891331), (9, 2187927554), (18, 1093963777), (139, 141664374), (278, 70832187), (417, 47221458), (834, 23610729), (1251, 15740486), (2502, 7870243)]