19957570

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48677}}^1$

素因数の和:48725

約数の個数: 16

約数和(自身を含む): 36800568

約数和(自身を除く): 16842998

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48677, 97354, 243385, 486770, 1995757, 3991514, 9978785, 19957570]

約数ペア:

[(1, 19957570), (2, 9978785), (5, 3991514), (10, 1995757), (41, 486770), (82, 243385), (205, 97354), (410, 48677)]