19618793

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 1670167

約数列:

[1, 23, 43, 83, 239, 989, 1909, 3569, 5497, 10277, 19837, 82087, 236371, 456251, 852991, 19618793]

約数ペア:

[(1, 19618793), (23, 852991), (43, 456251), (83, 236371), (239, 82087), (989, 19837), (1909, 10277), (3569, 5497)]