19021178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5507}}^1$

素因数の和:5677

約数の個数: 16

約数和(自身を含む): 31329504

約数和(自身を除く): 12308326

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5507, 11014, 60577, 121154, 864599, 1729198, 9510589, 19021178]

約数ペア:

[(1, 19021178), (2, 9510589), (11, 1729198), (22, 864599), (157, 121154), (314, 60577), (1727, 11014), (3454, 5507)]