19772578

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 38304000

約数和(自身を除く): 18531422

約数列:

[1, 2, 7, 14, 19, 37, 38, 41, 49, 74, 82, 98, 133, 259, 266, 287, 343, 518, 574, 686, 703, 779, 931, 1406, 1517, 1558, 1813, 1862, 2009, 3034, 3626, 4018, 4921, 5453, 6517, 9842, 10619, 10906, 12691, 13034, 14063, 21238, 25382, 28126, 28823, 34447, 38171, 57646, 68894, 74333, 76342, 148666, 201761, 241129, 267197, 403522, 482258, 520331, 534394, 1040662, 1412327, 2824654, 9886289, 19772578]

約数ペア:

[(1, 19772578), (2, 9886289), (7, 2824654), (14, 1412327), (19, 1040662), (37, 534394), (38, 520331), (41, 482258), (49, 403522), (74, 267197), (82, 241129), (98, 201761), (133, 148666), (259, 76342), (266, 74333), (287, 68894), (343, 57646), (518, 38171), (574, 34447), (686, 28823), (703, 28126), (779, 25382), (931, 21238), (1406, 14063), (1517, 13034), (1558, 12691), (1813, 10906), (1862, 10619), (2009, 9842), (3034, 6517), (3626, 5453), (4018, 4921)]