19666175

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 25296000

約数和(自身を除く): 5629825

約数列:

[1, 5, 25, 59, 67, 199, 295, 335, 995, 1475, 1675, 3953, 4975, 11741, 13333, 19765, 58705, 66665, 98825, 293525, 333325, 786647, 3933235, 19666175]

約数ペア:

[(1, 19666175), (5, 3933235), (25, 786647), (59, 333325), (67, 293525), (199, 98825), (295, 66665), (335, 58705), (995, 19765), (1475, 13333), (1675, 11741), (3953, 4975)]