19531161

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12841}}^1$

素因数の和:12873

約数の個数: 18

約数和(自身を含む): 30551118

約数和(自身を除く): 11019957

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12841, 38523, 115569, 166933, 500799, 1502397, 2170129, 6510387, 19531161]

約数ペア:

[(1, 19531161), (3, 6510387), (9, 2170129), (13, 1502397), (39, 500799), (117, 166933), (169, 115569), (507, 38523), (1521, 12841)]