16947145

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 22082760

約数和(自身を除く): 5135615

約数列:

[1, 5, 19, 41, 95, 205, 229, 361, 779, 1145, 1805, 3895, 4351, 9389, 14801, 21755, 46945, 74005, 82669, 178391, 413345, 891955, 3389429, 16947145]

約数ペア:

[(1, 16947145), (5, 3389429), (19, 891955), (41, 413345), (95, 178391), (205, 82669), (229, 74005), (361, 46945), (779, 21755), (1145, 14801), (1805, 9389), (3895, 4351)]