18091790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22901}}^1$

素因数の和:22987

約数の個数: 16

約数和(自身を含む): 32978880

約数和(自身を除く): 14887090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 22901, 45802, 114505, 229010, 1809179, 3618358, 9045895, 18091790]

約数ペア:

[(1, 18091790), (2, 9045895), (5, 3618358), (10, 1809179), (79, 229010), (158, 114505), (395, 45802), (790, 22901)]