19460788

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13477}}^1$

素因数の和:13519

約数の個数: 18

約数和(自身を含む): 35945826

約数和(自身を除く): 16485038

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13477, 26954, 53908, 256063, 512126, 1024252, 4865197, 9730394, 19460788]

約数ペア:

[(1, 19460788), (2, 9730394), (4, 4865197), (19, 1024252), (38, 512126), (76, 256063), (361, 53908), (722, 26954), (1444, 13477)]