19351409

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 25485312

約数和(自身を除く): 6133903

約数列:

[1, 7, 11, 31, 67, 77, 121, 217, 341, 469, 737, 847, 1331, 2077, 2387, 3751, 5159, 8107, 9317, 14539, 22847, 26257, 41261, 56749, 89177, 159929, 251317, 288827, 624239, 1759219, 2764487, 19351409]

約数ペア:

[(1, 19351409), (7, 2764487), (11, 1759219), (31, 624239), (67, 288827), (77, 251317), (121, 159929), (217, 89177), (341, 56749), (469, 41261), (737, 26257), (847, 22847), (1331, 14539), (2077, 9317), (2387, 8107), (3751, 5159)]