18914315

素因数分解:

$5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1231}}^1$

素因数の和:1682

約数の個数: 16

約数和(自身を含む): 26019840

約数和(自身を除く): 7105525

約数列:

[1, 5, 7, 35, 439, 1231, 2195, 3073, 6155, 8617, 15365, 43085, 540409, 2702045, 3782863, 18914315]

約数ペア:

[(1, 18914315), (5, 3782863), (7, 2702045), (35, 540409), (439, 43085), (1231, 15365), (2195, 8617), (3073, 6155)]