18220706

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7523}}^1$

素因数の和:7705

約数の個数: 16

約数和(自身を含む): 31420224

約数和(自身を除く): 13199518

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 7523, 15046, 52661, 105322, 1301479, 2602958, 9110353, 18220706]

約数ペア:

[(1, 18220706), (2, 9110353), (7, 2602958), (14, 1301479), (173, 105322), (346, 52661), (1211, 15046), (2422, 7523)]