18868982

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{757}}^1$

素因数の和:884

約数の個数: 24

約数和(自身を含む): 31453968

約数和(自身を除く): 12584986

約数列:

[1, 2, 11, 22, 103, 121, 206, 242, 757, 1133, 1514, 2266, 8327, 12463, 16654, 24926, 77971, 91597, 155942, 183194, 857681, 1715362, 9434491, 18868982]

約数ペア:

[(1, 18868982), (2, 9434491), (11, 1715362), (22, 857681), (103, 183194), (121, 155942), (206, 91597), (242, 77971), (757, 24926), (1133, 16654), (1514, 12463), (2266, 8327)]