18973690

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4283}}^1$

素因数の和:4733

約数の個数: 16

約数和(自身を含む): 34237728

約数和(自身を除く): 15264038

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4283, 4430, 8566, 21415, 42830, 1897369, 3794738, 9486845, 18973690]

約数ペア:

[(1, 18973690), (2, 9486845), (5, 3794738), (10, 1897369), (443, 42830), (886, 21415), (2215, 8566), (4283, 4430)]