18668882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4241}}^1$

素因数の和:4345

約数の個数: 16

約数和(自身を含む): 29320704

約数和(自身を除く): 10651822

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4241, 4402, 8482, 131471, 262942, 301111, 602222, 9334441, 18668882]

約数ペア:

[(1, 18668882), (2, 9334441), (31, 602222), (62, 301111), (71, 262942), (142, 131471), (2201, 8482), (4241, 4402)]