18880507081

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{27299}}^1$

素因数の和:27816

約数の個数: 16

約数和(自身を含む): 20147400000

約数和(自身を除く): 1266892919

約数列:

[1, 19, 89, 409, 1691, 7771, 27299, 36401, 518681, 691619, 2429611, 11165291, 46162609, 212140529, 993710899, 18880507081]

約数ペア:

[(1, 18880507081), (19, 993710899), (89, 212140529), (409, 46162609), (1691, 11165291), (7771, 2429611), (27299, 691619), (36401, 518681)]