19797701

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6949}}^1$

素因数の和:7004

約数の個数: 16

約数和(自身を含む): 25353600

約数和(自身を除く): 5555899

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6949, 48643, 76439, 257113, 535073, 1799791, 2828243, 19797701]

約数ペア:

[(1, 19797701), (7, 2828243), (11, 1799791), (37, 535073), (77, 257113), (259, 76439), (407, 48643), (2849, 6949)]