18380494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4241}}^1$

素因数の和:4451

約数の個数: 16

約数和(自身を含む): 30236976

約数和(自身を除く): 11856482

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4241, 4334, 8482, 46651, 93302, 835477, 1670954, 9190247, 18380494]

約数ペア:

[(1, 18380494), (2, 9190247), (11, 1670954), (22, 835477), (197, 93302), (394, 46651), (2167, 8482), (4241, 4334)]