18539587

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 21307392

約数和(自身を除く): 2767805

約数列:

[1, 11, 23, 127, 253, 577, 1397, 2921, 6347, 13271, 32131, 73279, 145981, 806069, 1685417, 18539587]

約数ペア:

[(1, 18539587), (11, 1685417), (23, 806069), (127, 145981), (253, 73279), (577, 32131), (1397, 13271), (2921, 6347)]