18855907

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 22963392

約数和(自身を除く): 4107485

約数列:

[1, 7, 17, 119, 193, 821, 1351, 3281, 5747, 13957, 22967, 97699, 158453, 1109171, 2693701, 18855907]

約数ペア:

[(1, 18855907), (7, 2693701), (17, 1109171), (119, 158453), (193, 97699), (821, 22967), (1351, 13957), (3281, 5747)]