18814621

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 22627584

約数和(自身を除く): 3812963

約数列:

[1, 7, 23, 137, 161, 853, 959, 3151, 5971, 19619, 22057, 116861, 137333, 818027, 2687803, 18814621]

約数ペア:

[(1, 18814621), (7, 2687803), (23, 818027), (137, 137333), (161, 116861), (853, 22057), (959, 19619), (3151, 5971)]