17919926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1153}}^1$

素因数の和:1583

約数の個数: 16

約数和(自身を含む): 28388400

約数和(自身を除く): 10468474

約数列:

[1, 2, 19, 38, 409, 818, 1153, 2306, 7771, 15542, 21907, 43814, 471577, 943154, 8959963, 17919926]

約数ペア:

[(1, 17919926), (2, 8959963), (19, 943154), (38, 471577), (409, 43814), (818, 21907), (1153, 15542), (2306, 7771)]