19870732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23029748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 911, 1148, 1558, 1822, 3116, 3644, 5453, 6377, 10906, 12754, 17309, 21812, 25508, 34618, 37351, 69236, 74702, 121163, 149404, 242326, 261457, 484652, 522914, 709669, 1045828, 1419338, 2838676, 4967683, 9935366, 19870732]

約数ペア:

[(1, 19870732), (2, 9935366), (4, 4967683), (7, 2838676), (14, 1419338), (19, 1045828), (28, 709669), (38, 522914), (41, 484652), (76, 261457), (82, 242326), (133, 149404), (164, 121163), (266, 74702), (287, 69236), (532, 37351), (574, 34618), (779, 25508), (911, 21812), (1148, 17309), (1558, 12754), (1822, 10906), (3116, 6377), (3644, 5453)]