18397723

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 20514816

約数和(自身を除く): 2117093

約数列:

[1, 17, 23, 211, 223, 391, 3587, 3791, 4853, 5129, 47053, 82501, 87193, 799901, 1082219, 18397723]

約数ペア:

[(1, 18397723), (17, 1082219), (23, 799901), (211, 87193), (223, 82501), (391, 47053), (3587, 5129), (3791, 4853)]