18308353

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 21498880

約数和(自身を除く): 3190527

約数列:

[1, 7, 67, 103, 379, 469, 721, 2653, 6901, 25393, 39037, 48307, 177751, 273259, 2615479, 18308353]

約数ペア:

[(1, 18308353), (7, 2615479), (67, 273259), (103, 177751), (379, 48307), (469, 39037), (721, 25393), (2653, 6901)]