19223839

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 1944161

約数列:

[1, 19, 29, 139, 251, 551, 2641, 4031, 4769, 7279, 34889, 76589, 138301, 662891, 1011781, 19223839]

約数ペア:

[(1, 19223839), (19, 1011781), (29, 662891), (139, 138301), (251, 76589), (551, 34889), (2641, 7279), (4031, 4769)]