19619894

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 37059120

約数和(自身を除く): 17439226

約数列:

[1, 2, 7, 14, 19, 38, 41, 49, 82, 98, 133, 257, 266, 287, 514, 574, 779, 931, 1558, 1799, 1862, 2009, 3598, 4018, 4883, 5453, 9766, 10537, 10906, 12593, 21074, 25186, 34181, 38171, 68362, 73759, 76342, 147518, 200203, 239267, 400406, 478534, 516313, 1032626, 1401421, 2802842, 9809947, 19619894]

約数ペア:

[(1, 19619894), (2, 9809947), (7, 2802842), (14, 1401421), (19, 1032626), (38, 516313), (41, 478534), (49, 400406), (82, 239267), (98, 200203), (133, 147518), (257, 76342), (266, 73759), (287, 68362), (514, 38171), (574, 34181), (779, 25186), (931, 21074), (1558, 12593), (1799, 10906), (1862, 10537), (2009, 9766), (3598, 5453), (4018, 4883)]