18211701

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2437}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 25277184

約数和(自身を除く): 7065483

約数列:

[1, 3, 47, 53, 141, 159, 2437, 2491, 7311, 7473, 114539, 129161, 343617, 387483, 6070567, 18211701]

約数ペア:

[(1, 18211701), (3, 6070567), (47, 387483), (53, 343617), (141, 129161), (159, 114539), (2437, 7473), (2491, 7311)]