18110945

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 4360735

約数列:

[1, 5, 37, 185, 223, 439, 1115, 2195, 8251, 16243, 41255, 81215, 97897, 489485, 3622189, 18110945]

約数ペア:

[(1, 18110945), (5, 3622189), (37, 489485), (185, 97897), (223, 81215), (439, 41255), (1115, 16243), (2195, 8251)]