19508511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4253}}^1$

素因数の和:4406

約数の個数: 16

約数和(自身を含む): 28586880

約数和(自身を除く): 9078369

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4253, 4587, 12759, 46783, 140349, 591167, 1773501, 6502837, 19508511]

約数ペア:

[(1, 19508511), (3, 6502837), (11, 1773501), (33, 591167), (139, 140349), (417, 46783), (1529, 12759), (4253, 4587)]