19988872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146977}}^1$

素因数の和:147000

約数の個数: 16

約数和(自身を含む): 39684060

約数和(自身を除く): 19695188

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146977, 293954, 587908, 1175816, 2498609, 4997218, 9994436, 19988872]

約数ペア:

[(1, 19988872), (2, 9994436), (4, 4997218), (8, 2498609), (17, 1175816), (34, 587908), (68, 293954), (136, 146977)]