19441875

素因数分解:

$3^1\times 5^4\times {\mathrm{10369}}^1$

素因数の和:10392

約数の個数: 20

約数和(自身を含む): 32395880

約数和(自身を除く): 12954005

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 10369, 31107, 51845, 155535, 259225, 777675, 1296125, 3888375, 6480625, 19441875]

約数ペア:

[(1, 19441875), (3, 6480625), (5, 3888375), (15, 1296125), (25, 777675), (75, 259225), (125, 155535), (375, 51845), (625, 31107), (1875, 10369)]