18976925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 25897152

約数和(自身を除く): 6920227

約数列:

[1, 5, 11, 25, 55, 151, 275, 457, 755, 1661, 2285, 3775, 5027, 8305, 11425, 25135, 41525, 69007, 125675, 345035, 759077, 1725175, 3795385, 18976925]

約数ペア:

[(1, 18976925), (5, 3795385), (11, 1725175), (25, 759077), (55, 345035), (151, 125675), (275, 69007), (457, 41525), (755, 25135), (1661, 11425), (2285, 8305), (3775, 5027)]