18901841

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{823}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 23019264

約数和(自身を除く): 4117423

約数列:

[1, 7, 17, 119, 193, 823, 1351, 3281, 5761, 13991, 22967, 97937, 158839, 1111873, 2700263, 18901841]

約数ペア:

[(1, 18901841), (7, 2700263), (17, 1111873), (119, 158839), (193, 97937), (823, 22967), (1351, 13991), (3281, 5761)]