18300268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 21213332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 839, 1148, 1558, 1678, 3116, 3356, 5453, 5873, 10906, 11746, 15941, 21812, 23492, 31882, 34399, 63764, 68798, 111587, 137596, 223174, 240793, 446348, 481586, 653581, 963172, 1307162, 2614324, 4575067, 9150134, 18300268]

約数ペア:

[(1, 18300268), (2, 9150134), (4, 4575067), (7, 2614324), (14, 1307162), (19, 963172), (28, 653581), (38, 481586), (41, 446348), (76, 240793), (82, 223174), (133, 137596), (164, 111587), (266, 68798), (287, 63764), (532, 34399), (574, 31882), (779, 23492), (839, 21812), (1148, 15941), (1558, 11746), (1678, 10906), (3116, 5873), (3356, 5453)]