19991246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1597}}^1$

素因数の和:2179

約数の個数: 16

約数和(自身を含む): 32790960

約数和(自身を除く): 12799714

約数列:

[1, 2, 11, 22, 569, 1138, 1597, 3194, 6259, 12518, 17567, 35134, 908693, 1817386, 9995623, 19991246]

約数ペア:

[(1, 19991246), (2, 9995623), (11, 1817386), (22, 908693), (569, 35134), (1138, 17567), (1597, 12518), (3194, 6259)]