18840804994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2201543}}^1$

素因数の和:2201945

約数の個数: 16

約数和(自身を含む): 30909677760

約数和(自身を除く): 12068872766

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 2201543, 4403086, 24216973, 48433946, 856400227, 1712800454, 9420402497, 18840804994]

約数ペア:

[(1, 18840804994), (2, 9420402497), (11, 1712800454), (22, 856400227), (389, 48433946), (778, 24216973), (4279, 4403086), (8558, 2201543)]