19778277

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1423}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 27272448

約数和(自身を除く): 7494171

約数列:

[1, 3, 41, 113, 123, 339, 1423, 4269, 4633, 13899, 58343, 160799, 175029, 482397, 6592759, 19778277]

約数ペア:

[(1, 19778277), (3, 6592759), (41, 482397), (113, 175029), (123, 160799), (339, 58343), (1423, 13899), (4269, 4633)]