19398621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5393}}^1$

素因数の和:5516

約数の個数: 16

約数和(自身を含む): 28480320

約数和(自身を除く): 9081699

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5393, 16179, 59323, 177969, 587837, 1763511, 6466207, 19398621]

約数ペア:

[(1, 19398621), (3, 6466207), (11, 1763511), (33, 587837), (109, 177969), (327, 59323), (1199, 16179), (3597, 5393)]