19537868

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1201}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 40286232

約数和(自身を除く): 20748364

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 1201, 2324, 2402, 4067, 4804, 8134, 8407, 16268, 16814, 33628, 58849, 99683, 117698, 199366, 235396, 398732, 697781, 1395562, 2791124, 4884467, 9768934, 19537868]

約数ペア:

[(1, 19537868), (2, 9768934), (4, 4884467), (7, 2791124), (14, 1395562), (28, 697781), (49, 398732), (83, 235396), (98, 199366), (166, 117698), (196, 99683), (332, 58849), (581, 33628), (1162, 16814), (1201, 16268), (2324, 8407), (2402, 8134), (4067, 4804)]