19663878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252101}}^1$

素因数の和:252119

約数の個数: 16

約数和(自身を含む): 42353136

約数和(自身を除く): 22689258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252101, 504202, 756303, 1512606, 3277313, 6554626, 9831939, 19663878]

約数ペア:

[(1, 19663878), (2, 9831939), (3, 6554626), (6, 3277313), (13, 1512606), (26, 756303), (39, 504202), (78, 252101)]