18469638160

素因数分解:

$2^4\times 5^1\times {\mathrm{230870477}}^1$

素因数の和:230870490

約数の個数: 20

約数和(自身を含む): 42941908908

約数和(自身を除く): 24472270748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230870477, 461740954, 923481908, 1154352385, 1846963816, 2308704770, 3693927632, 4617409540, 9234819080, 18469638160]

約数ペア:

[(1, 18469638160), (2, 9234819080), (4, 4617409540), (5, 3693927632), (8, 2308704770), (10, 1846963816), (16, 1154352385), (20, 923481908), (40, 461740954), (80, 230870477)]