2019952161

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1084247}}^1$

素因数の和:1084282

約数の個数: 20

約数和(自身を含む): 3148656192

約数和(自身を除く): 1128704031

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 1084247, 3252741, 9758223, 24937681, 29274669, 74813043, 87824007, 224439129, 673317387, 2019952161]

約数ペア:

[(1, 2019952161), (3, 673317387), (9, 224439129), (23, 87824007), (27, 74813043), (69, 29274669), (81, 24937681), (207, 9758223), (621, 3252741), (1863, 1084247)]