18911045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3181}}^1$

素因数の和:3256

約数の個数: 16

約数和(自身を含む): 24055920

約数和(自身を除く): 5144875

約数列:

[1, 5, 29, 41, 145, 205, 1189, 3181, 5945, 15905, 92249, 130421, 461245, 652105, 3782209, 18911045]

約数ペア:

[(1, 18911045), (5, 3782209), (29, 652105), (41, 461245), (145, 130421), (205, 92249), (1189, 15905), (3181, 5945)]