19618881

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2281}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 27164928

約数和(自身を除く): 7546047

約数列:

[1, 3, 47, 61, 141, 183, 2281, 2867, 6843, 8601, 107207, 139141, 321621, 417423, 6539627, 19618881]

約数ペア:

[(1, 19618881), (3, 6539627), (47, 417423), (61, 321621), (141, 139141), (183, 107207), (2281, 8601), (2867, 6843)]