18721620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104009}}^1$

素因数の和:104024

約数の個数: 36

約数和(自身を含む): 56789460

約数和(自身を除く): 38067840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104009, 208018, 312027, 416036, 520045, 624054, 936081, 1040090, 1248108, 1560135, 1872162, 2080180, 3120270, 3744324, 4680405, 6240540, 9360810, 18721620]

約数ペア:

[(1, 18721620), (2, 9360810), (3, 6240540), (4, 4680405), (5, 3744324), (6, 3120270), (9, 2080180), (10, 1872162), (12, 1560135), (15, 1248108), (18, 1040090), (20, 936081), (30, 624054), (36, 520045), (45, 416036), (60, 312027), (90, 208018), (180, 104009)]