19817090

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11071}}^1$

素因数の和:11257

約数の個数: 16

約数和(自身を含む): 35873280

約数和(自身を除く): 16056190

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 11071, 22142, 55355, 110710, 1981709, 3963418, 9908545, 19817090]

約数ペア:

[(1, 19817090), (2, 9908545), (5, 3963418), (10, 1981709), (179, 110710), (358, 55355), (895, 22142), (1790, 11071)]