19380057

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7972

約数の個数: 16

約数和(自身を含む): 27836160

約数和(自身を除く): 8456103

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7907, 23721, 150233, 340001, 450699, 1020003, 6460019, 19380057]

約数ペア:

[(1, 19380057), (3, 6460019), (19, 1020003), (43, 450699), (57, 340001), (129, 150233), (817, 23721), (2451, 7907)]