18109993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 21067776

約数和(自身を除く): 2957783

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1523, 11891, 16753, 35029, 71581, 385319, 787391, 1646363, 18109993]

約数ペア:

[(1, 18109993), (11, 1646363), (23, 787391), (47, 385319), (253, 71581), (517, 35029), (1081, 16753), (1523, 11891)]