18707380

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2029}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 39390120

約数和(自身を除く): 20682740

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2029, 2305, 4058, 4610, 8116, 9220, 10145, 20290, 40580, 935369, 1870738, 3741476, 4676845, 9353690, 18707380]

約数ペア:

[(1, 18707380), (2, 9353690), (4, 4676845), (5, 3741476), (10, 1870738), (20, 935369), (461, 40580), (922, 20290), (1844, 10145), (2029, 9220), (2305, 8116), (4058, 4610)]