19051641

素因数分解:

$3^2\times 7^2\times {\mathrm{43201}}^1$

素因数の和:43221

約数の個数: 18

約数和(自身を含む): 32012682

約数和(自身を除く): 12961041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43201, 129603, 302407, 388809, 907221, 2116849, 2721663, 6350547, 19051641]

約数ペア:

[(1, 19051641), (3, 6350547), (7, 2721663), (9, 2116849), (21, 907221), (49, 388809), (63, 302407), (147, 129603), (441, 43201)]