18779891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 21337344

約数和(自身を除く): 2557453

約数列:

[1, 13, 23, 107, 299, 587, 1391, 2461, 7631, 13501, 31993, 62809, 175513, 816517, 1444607, 18779891]

約数ペア:

[(1, 18779891), (13, 1444607), (23, 816517), (107, 175513), (299, 62809), (587, 31993), (1391, 13501), (2461, 7631)]