19307824

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11071}}^1$

素因数の和:11188

約数の個数: 20

約数和(自身を含む): 37755520

約数和(自身を除く): 18447696

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11071, 22142, 44284, 88568, 177136, 1206739, 2413478, 4826956, 9653912, 19307824]

約数ペア:

[(1, 19307824), (2, 9653912), (4, 4826956), (8, 2413478), (16, 1206739), (109, 177136), (218, 88568), (436, 44284), (872, 22142), (1744, 11071)]