19696684

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 21590996

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 127, 191, 203, 254, 382, 406, 508, 764, 812, 889, 1337, 1778, 2674, 3556, 3683, 5348, 5539, 7366, 11078, 14732, 22156, 24257, 25781, 38773, 48514, 51562, 77546, 97028, 103124, 155092, 169799, 339598, 679196, 703453, 1406906, 2813812, 4924171, 9848342, 19696684]

約数ペア:

[(1, 19696684), (2, 9848342), (4, 4924171), (7, 2813812), (14, 1406906), (28, 703453), (29, 679196), (58, 339598), (116, 169799), (127, 155092), (191, 103124), (203, 97028), (254, 77546), (382, 51562), (406, 48514), (508, 38773), (764, 25781), (812, 24257), (889, 22156), (1337, 14732), (1778, 11078), (2674, 7366), (3556, 5539), (3683, 5348)]