18294820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11579}}^1$

素因数の和:11667

約数の個数: 24

約数和(自身を含む): 38908800

約数和(自身を除く): 20613980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 11579, 23158, 46316, 57895, 115790, 231580, 914741, 1829482, 3658964, 4573705, 9147410, 18294820]

約数ペア:

[(1, 18294820), (2, 9147410), (4, 4573705), (5, 3658964), (10, 1829482), (20, 914741), (79, 231580), (158, 115790), (316, 57895), (395, 46316), (790, 23158), (1580, 11579)]