19912318331

素因数分解:

${\mathrm{17}}^1\times {\mathrm{107}}^2\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 21418356960

約数和(自身を除く): 1506038629

約数列:

[1, 17, 107, 263, 389, 1819, 4471, 6613, 11449, 28141, 41623, 102307, 194633, 478397, 707591, 1739219, 3011087, 4453661, 10946849, 51188479, 75712237, 186096433, 1171312843, 19912318331]

約数ペア:

[(1, 19912318331), (17, 1171312843), (107, 186096433), (263, 75712237), (389, 51188479), (1819, 10946849), (4471, 4453661), (6613, 3011087), (11449, 1739219), (28141, 707591), (41623, 478397), (102307, 194633)]