19512730

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11971}}^1$

素因数の和:12141

約数の個数: 16

約数和(自身を含む): 35341344

約数和(自身を除く): 15828614

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 11971, 23942, 59855, 119710, 1951273, 3902546, 9756365, 19512730]

約数ペア:

[(1, 19512730), (2, 9756365), (5, 3902546), (10, 1951273), (163, 119710), (326, 59855), (815, 23942), (1630, 11971)]