18361125

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 34881600

約数和(自身を除く): 16520475

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 859, 1125, 1425, 2375, 2577, 4275, 4295, 7125, 7731, 12885, 16321, 21375, 21475, 38655, 48963, 64425, 81605, 107375, 146889, 193275, 244815, 322125, 408025, 734445, 966375, 1224075, 2040125, 3672225, 6120375, 18361125]

約数ペア:

[(1, 18361125), (3, 6120375), (5, 3672225), (9, 2040125), (15, 1224075), (19, 966375), (25, 734445), (45, 408025), (57, 322125), (75, 244815), (95, 193275), (125, 146889), (171, 107375), (225, 81605), (285, 64425), (375, 48963), (475, 38655), (855, 21475), (859, 21375), (1125, 16321), (1425, 12885), (2375, 7731), (2577, 7125), (4275, 4295)]