19981477

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 21943872

約数和(自身を除く): 1962395

約数列:

[1, 17, 53, 67, 331, 901, 1139, 3551, 5627, 17543, 22177, 60367, 298231, 377009, 1175381, 19981477]

約数ペア:

[(1, 19981477), (17, 1175381), (53, 377009), (67, 298231), (331, 60367), (901, 22177), (1139, 17543), (3551, 5627)]