19489636

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{44701}}^1$

素因数の和:44814

約数の個数: 12

約数和(自身を含む): 34420540

約数和(自身を除く): 14930904

約数列:

[1, 2, 4, 109, 218, 436, 44701, 89402, 178804, 4872409, 9744818, 19489636]

約数ペア:

[(1, 19489636), (2, 9744818), (4, 4872409), (109, 178804), (218, 89402), (436, 44701)]