19686373

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 23431680

約数和(自身を除く): 3745307

約数列:

[1, 7, 47, 53, 329, 371, 1129, 2491, 7903, 17437, 53063, 59837, 371441, 418859, 2812339, 19686373]

約数ペア:

[(1, 19686373), (7, 2812339), (47, 418859), (53, 371441), (329, 59837), (371, 53063), (1129, 17437), (2491, 7903)]