19204339

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{863}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 25463808

約数和(自身を除く): 6259469

約数列:

[1, 7, 11, 17, 77, 119, 187, 289, 863, 1309, 2023, 3179, 6041, 9493, 14671, 22253, 66451, 102697, 161381, 249407, 1129667, 1745849, 2743477, 19204339]

約数ペア:

[(1, 19204339), (7, 2743477), (11, 1745849), (17, 1129667), (77, 249407), (119, 161381), (187, 102697), (289, 66451), (863, 22253), (1309, 14671), (2023, 9493), (3179, 6041)]