19716873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3301}}^1$

素因数の和:3496

約数の個数: 16

約数和(自身を含む): 28846272

約数和(自身を除く): 9129399

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3301, 5973, 9903, 36311, 108933, 597481, 1792443, 6572291, 19716873]

約数ペア:

[(1, 19716873), (3, 6572291), (11, 1792443), (33, 597481), (181, 108933), (543, 36311), (1991, 9903), (3301, 5973)]