18893945

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3623}}^1$

素因数の和:3784

約数の個数: 16

約数和(自身を含む): 26092800

約数和(自身を除く): 7198855

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3623, 5215, 18115, 25361, 126805, 539827, 2699135, 3778789, 18893945]

約数ペア:

[(1, 18893945), (5, 3778789), (7, 2699135), (35, 539827), (149, 126805), (745, 25361), (1043, 18115), (3623, 5215)]