18874125

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 35855040

約数和(自身を除く): 16980915

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 883, 1125, 1425, 2375, 2649, 4275, 4415, 7125, 7947, 13245, 16777, 21375, 22075, 39735, 50331, 66225, 83885, 110375, 150993, 198675, 251655, 331125, 419425, 754965, 993375, 1258275, 2097125, 3774825, 6291375, 18874125]

約数ペア:

[(1, 18874125), (3, 6291375), (5, 3774825), (9, 2097125), (15, 1258275), (19, 993375), (25, 754965), (45, 419425), (57, 331125), (75, 251655), (95, 198675), (125, 150993), (171, 110375), (225, 83885), (285, 66225), (375, 50331), (475, 39735), (855, 22075), (883, 21375), (1125, 16777), (1425, 13245), (2375, 7947), (2649, 7125), (4275, 4415)]