18181898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2357}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 33955200

約数和(自身を除く): 15773302

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2357, 3857, 4714, 7714, 16499, 32998, 44783, 68353, 89566, 136706, 313481, 478471, 626962, 956942, 1298707, 2597414, 9090949, 18181898]

約数ペア:

[(1, 18181898), (2, 9090949), (7, 2597414), (14, 1298707), (19, 956942), (29, 626962), (38, 478471), (58, 313481), (133, 136706), (203, 89566), (266, 68353), (406, 44783), (551, 32998), (1102, 16499), (2357, 7714), (3857, 4714)]