20185922

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:841

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10658878

約数列:

[1, 2, 79, 158, 251, 502, 509, 1018, 19829, 39658, 40211, 80422, 127759, 255518, 10092961, 20185922]

約数ペア:

[(1, 20185922), (2, 10092961), (79, 255518), (158, 127759), (251, 80422), (502, 40211), (509, 39658), (1018, 19829)]