19917516

素因数分解:

$2^2\times 3^1\times {\mathrm{263}}^1\times {\mathrm{6311}}^1$

素因数の和:6581

約数の個数: 24

約数和(自身を含む): 46658304

約数和(自身を除く): 26740788

約数列:

[1, 2, 3, 4, 6, 12, 263, 526, 789, 1052, 1578, 3156, 6311, 12622, 18933, 25244, 37866, 75732, 1659793, 3319586, 4979379, 6639172, 9958758, 19917516]

約数ペア:

[(1, 19917516), (2, 9958758), (3, 6639172), (4, 4979379), (6, 3319586), (12, 1659793), (263, 75732), (526, 37866), (789, 25244), (1052, 18933), (1578, 12622), (3156, 6311)]