18851125

素因数分解:

$5^3\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 23662080

約数和(自身を除く): 4810955

約数列:

[1, 5, 25, 125, 239, 631, 1195, 3155, 5975, 15775, 29875, 78875, 150809, 754045, 3770225, 18851125]

約数ペア:

[(1, 18851125), (5, 3770225), (25, 754045), (125, 150809), (239, 78875), (631, 29875), (1195, 15775), (3155, 5975)]