18740156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1291}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 34728960

約数和(自身を除く): 15988804

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 1291, 2582, 3629, 5164, 7258, 14516, 24529, 49058, 98116, 246581, 493162, 986324, 4685039, 9370078, 18740156]

約数ペア:

[(1, 18740156), (2, 9370078), (4, 4685039), (19, 986324), (38, 493162), (76, 246581), (191, 98116), (382, 49058), (764, 24529), (1291, 14516), (2582, 7258), (3629, 5164)]