19885125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4110

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 15757755

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4079, 4875, 12237, 20395, 53027, 61185, 101975, 159081, 265135, 305925, 509875, 795405, 1325675, 1529625, 3977025, 6628375, 19885125]

約数ペア:

[(1, 19885125), (3, 6628375), (5, 3977025), (13, 1529625), (15, 1325675), (25, 795405), (39, 509875), (65, 305925), (75, 265135), (125, 159081), (195, 101975), (325, 61185), (375, 53027), (975, 20395), (1625, 12237), (4079, 4875)]