18839778

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{28807}}^1$

素因数の和:28921

約数の個数: 16

約数和(自身を含む): 38026560

約数和(自身を除く): 19186782

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 28807, 57614, 86421, 172842, 3139963, 6279926, 9419889, 18839778]

約数ペア:

[(1, 18839778), (2, 9419889), (3, 6279926), (6, 3139963), (109, 172842), (218, 86421), (327, 57614), (654, 28807)]