19717113

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9539}}^1$

素因数の和:9608

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 9131847

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9539, 28617, 124007, 372021, 505567, 1516701, 6572371, 19717113]

約数ペア:

[(1, 19717113), (3, 6572371), (13, 1516701), (39, 505567), (53, 372021), (159, 124007), (689, 28617), (2067, 9539)]