18870590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65071}}^1$

素因数の和:65107

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 16268290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65071, 130142, 325355, 650710, 1887059, 3774118, 9435295, 18870590]

約数ペア:

[(1, 18870590), (2, 9435295), (5, 3774118), (10, 1887059), (29, 650710), (58, 325355), (145, 130142), (290, 65071)]