19455321

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4451}}^1$

素因数の和:4532

約数の個数: 16

約数和(自身を含む): 27353088

約数和(自身を除く): 7897767

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4451, 13353, 137981, 209197, 413943, 627591, 6485107, 19455321]

約数ペア:

[(1, 19455321), (3, 6485107), (31, 627591), (47, 413943), (93, 209197), (141, 137981), (1457, 13353), (4371, 4451)]