18405904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{104579}}^1$

素因数の和:104598

約数の個数: 20

約数和(自身を含む): 38903760

約数和(自身を除く): 20497856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 104579, 209158, 418316, 836632, 1150369, 1673264, 2300738, 4601476, 9202952, 18405904]

約数ペア:

[(1, 18405904), (2, 9202952), (4, 4601476), (8, 2300738), (11, 1673264), (16, 1150369), (22, 836632), (44, 418316), (88, 209158), (176, 104579)]