19692879

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 26817024

約数和(自身を除く): 7124145

約数列:

[1, 3, 101, 103, 303, 309, 631, 1893, 10403, 31209, 63731, 64993, 191193, 194979, 6564293, 19692879]

約数ペア:

[(1, 19692879), (3, 6564293), (101, 194979), (103, 191193), (303, 64993), (309, 63731), (631, 31209), (1893, 10403)]