18755375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 25272000

約数和(自身を除く): 6516625

約数列:

[1, 5, 19, 25, 53, 95, 125, 149, 265, 475, 745, 1007, 1325, 2375, 2831, 3725, 5035, 6625, 7897, 14155, 18625, 25175, 39485, 70775, 125875, 150043, 197425, 353875, 750215, 987125, 3751075, 18755375]

約数ペア:

[(1, 18755375), (5, 3751075), (19, 987125), (25, 750215), (53, 353875), (95, 197425), (125, 150043), (149, 125875), (265, 70775), (475, 39485), (745, 25175), (1007, 18625), (1325, 14155), (2375, 7897), (2831, 6625), (3725, 5035)]