19717766

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:799

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 10349434

約数列:

[1, 2, 127, 149, 254, 298, 521, 1042, 18923, 37846, 66167, 77629, 132334, 155258, 9858883, 19717766]

約数ペア:

[(1, 19717766), (2, 9858883), (127, 155258), (149, 132334), (254, 77629), (298, 66167), (521, 37846), (1042, 18923)]