19977507

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{541}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 31622448

約数和(自身を除く): 11644941

約数列:

[1, 3, 9, 11, 33, 99, 373, 541, 1119, 1623, 3357, 4103, 4869, 5951, 12309, 17853, 36927, 53559, 201793, 605379, 1816137, 2219723, 6659169, 19977507]

約数ペア:

[(1, 19977507), (3, 6659169), (9, 2219723), (11, 1816137), (33, 605379), (99, 201793), (373, 53559), (541, 36927), (1119, 17853), (1623, 12309), (3357, 5951), (4103, 4869)]