18409360

素因数分解:

$2^4\times 5^1\times {\mathrm{230117}}^1$

素因数の和:230130

約数の個数: 20

約数和(自身を含む): 42801948

約数和(自身を除く): 24392588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230117, 460234, 920468, 1150585, 1840936, 2301170, 3681872, 4602340, 9204680, 18409360]

約数ペア:

[(1, 18409360), (2, 9204680), (4, 4602340), (5, 3681872), (8, 2301170), (10, 1840936), (16, 1150585), (20, 920468), (40, 460234), (80, 230117)]