18983125

素因数分解:

$5^4\times 7^1\times {\mathrm{4339}}^1$

素因数の和:4366

約数の個数: 20

約数和(自身を含む): 27116320

約数和(自身を除く): 8133195

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4339, 4375, 21695, 30373, 108475, 151865, 542375, 759325, 2711875, 3796625, 18983125]

約数ペア:

[(1, 18983125), (5, 3796625), (7, 2711875), (25, 759325), (35, 542375), (125, 151865), (175, 108475), (625, 30373), (875, 21695), (4339, 4375)]