19125309

素因数分解:

$3^1\times 7^1\times {\mathrm{919}}^1\times {\mathrm{991}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 29204480

約数和(自身を除く): 10079171

約数列:

[1, 3, 7, 21, 919, 991, 2757, 2973, 6433, 6937, 19299, 20811, 910729, 2732187, 6375103, 19125309]

約数ペア:

[(1, 19125309), (3, 6375103), (7, 2732187), (21, 910729), (919, 20811), (991, 19299), (2757, 6937), (2973, 6433)]