18543427

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 21841920

約数和(自身を除く): 3298493

約数列:

[1, 7, 47, 157, 329, 359, 1099, 2513, 7379, 16873, 51653, 56363, 118111, 394541, 2649061, 18543427]

約数ペア:

[(1, 18543427), (7, 2649061), (47, 394541), (157, 118111), (329, 56363), (359, 51653), (1099, 16873), (2513, 7379)]