18797878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{44971}}^1$

素因数の和:45003

約数の個数: 16

約数和(自身を含む): 32379840

約数和(自身を除く): 13581962

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 44971, 89942, 494681, 854449, 989362, 1708898, 9398939, 18797878]

約数ペア:

[(1, 18797878), (2, 9398939), (11, 1708898), (19, 989362), (22, 854449), (38, 494681), (209, 89942), (418, 44971)]