19895029

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5273}}^1$

素因数の和:5305

約数の個数: 16

約数和(自身を含む): 25315200

約数和(自身を除く): 5420171

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5273, 36911, 58003, 258377, 406021, 1808639, 2842147, 19895029]

約数ペア:

[(1, 19895029), (7, 2842147), (11, 1808639), (49, 406021), (77, 258377), (343, 58003), (539, 36911), (3773, 5273)]