18349978

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 28182816

約数和(自身を除く): 9832838

約数列:

[1, 2, 53, 106, 331, 523, 662, 1046, 17543, 27719, 35086, 55438, 173113, 346226, 9174989, 18349978]

約数ペア:

[(1, 18349978), (2, 9174989), (53, 346226), (106, 173113), (331, 55438), (523, 35086), (662, 27719), (1046, 17543)]