18929225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5693}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 28242240

約数和(自身を除く): 9313015

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 5693, 28465, 39851, 108167, 142325, 199255, 540835, 757169, 996275, 2704175, 3785845, 18929225]

約数ペア:

[(1, 18929225), (5, 3785845), (7, 2704175), (19, 996275), (25, 757169), (35, 540835), (95, 199255), (133, 142325), (175, 108167), (475, 39851), (665, 28465), (3325, 5693)]