18725990

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2309}}^1$

素因数の和:3127

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 15036970

約数列:

[1, 2, 5, 10, 811, 1622, 2309, 4055, 4618, 8110, 11545, 23090, 1872599, 3745198, 9362995, 18725990]

約数ペア:

[(1, 18725990), (2, 9362995), (5, 3745198), (10, 1872599), (811, 23090), (1622, 11545), (2309, 8110), (4055, 4618)]