19896904515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1\times {\mathrm{81343}}^1$

素因数の和:82083

約数の個数: 32

約数和(自身を含む): 33266442240

約数和(自身を除く): 13369537725

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 709, 2127, 3545, 10635, 16307, 48921, 81343, 81535, 244029, 244605, 406715, 1220145, 1870889, 5612667, 9354445, 28063335, 57672187, 173016561, 288360935, 865082805, 1326460301, 3979380903, 6632301505, 19896904515]

約数ペア:

[(1, 19896904515), (3, 6632301505), (5, 3979380903), (15, 1326460301), (23, 865082805), (69, 288360935), (115, 173016561), (345, 57672187), (709, 28063335), (2127, 9354445), (3545, 5612667), (10635, 1870889), (16307, 1220145), (48921, 406715), (81343, 244605), (81535, 244029)]