18435590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 16202170

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 421, 755, 842, 1510, 2105, 4210, 4379, 8758, 12209, 21895, 24418, 43790, 61045, 63571, 122090, 127142, 317855, 635710, 1843559, 3687118, 9217795, 18435590]

約数ペア:

[(1, 18435590), (2, 9217795), (5, 3687118), (10, 1843559), (29, 635710), (58, 317855), (145, 127142), (151, 122090), (290, 63571), (302, 61045), (421, 43790), (755, 24418), (842, 21895), (1510, 12209), (2105, 8758), (4210, 4379)]