19121543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 23232000

約数和(自身を除く): 4110457

約数列:

[1, 7, 19, 109, 133, 763, 1319, 2071, 9233, 14497, 25061, 143771, 175427, 1006397, 2731649, 19121543]

約数ペア:

[(1, 19121543), (7, 2731649), (19, 1006397), (109, 175427), (133, 143771), (763, 25061), (1319, 14497), (2071, 9233)]