18802213

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 12

約数和(自身を含む): 19853184

約数和(自身を除く): 1050971

約数列:

[1, 31, 61, 163, 1891, 3721, 5053, 9943, 115351, 308233, 606523, 18802213]

約数ペア:

[(1, 18802213), (31, 606523), (61, 308233), (163, 115351), (1891, 9943), (3721, 5053)]