19729822

素因数分解:

$2^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1907}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 33886080

約数和(自身を除く): 14156258

約数列:

[1, 2, 7, 14, 739, 1478, 1907, 3814, 5173, 10346, 13349, 26698, 1409273, 2818546, 9864911, 19729822]

約数ペア:

[(1, 19729822), (2, 9864911), (7, 2818546), (14, 1409273), (739, 26698), (1478, 13349), (1907, 10346), (3814, 5173)]