18214295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 24513840

約数和(自身を除く): 6299545

約数列:

[1, 5, 11, 55, 61, 89, 305, 445, 671, 979, 3355, 3721, 4895, 5429, 18605, 27145, 40931, 59719, 204655, 298595, 331169, 1655845, 3642859, 18214295]

約数ペア:

[(1, 18214295), (5, 3642859), (11, 1655845), (55, 331169), (61, 298595), (89, 204655), (305, 59719), (445, 40931), (671, 27145), (979, 18605), (3355, 5429), (3721, 4895)]