17993195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 24457680

約数和(自身を除く): 6464485

約数列:

[1, 5, 11, 29, 55, 145, 319, 389, 841, 1595, 1945, 4205, 4279, 9251, 11281, 21395, 46255, 56405, 124091, 327149, 620455, 1635745, 3598639, 17993195]

約数ペア:

[(1, 17993195), (5, 3598639), (11, 1635745), (29, 620455), (55, 327149), (145, 124091), (319, 56405), (389, 46255), (841, 21395), (1595, 11281), (1945, 9251), (4205, 4279)]