19102180

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4283}}^1$

素因数の和:4515

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 21201692

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4283, 4460, 8566, 17132, 21415, 42830, 85660, 955109, 1910218, 3820436, 4775545, 9551090, 19102180]

約数ペア:

[(1, 19102180), (2, 9551090), (4, 4775545), (5, 3820436), (10, 1910218), (20, 955109), (223, 85660), (446, 42830), (892, 21415), (1115, 17132), (2230, 8566), (4283, 4460)]