19994142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 49641984

約数和(自身を除く): 29647842

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 51, 82, 102, 119, 123, 238, 246, 287, 357, 574, 683, 697, 714, 861, 1366, 1394, 1722, 2049, 2091, 4098, 4182, 4781, 4879, 9562, 9758, 11611, 14343, 14637, 23222, 28003, 28686, 29274, 34833, 56006, 69666, 81277, 84009, 162554, 168018, 196021, 243831, 392042, 476051, 487662, 588063, 952102, 1176126, 1428153, 2856306, 3332357, 6664714, 9997071, 19994142]

約数ペア:

[(1, 19994142), (2, 9997071), (3, 6664714), (6, 3332357), (7, 2856306), (14, 1428153), (17, 1176126), (21, 952102), (34, 588063), (41, 487662), (42, 476051), (51, 392042), (82, 243831), (102, 196021), (119, 168018), (123, 162554), (238, 84009), (246, 81277), (287, 69666), (357, 56006), (574, 34833), (683, 29274), (697, 28686), (714, 28003), (861, 23222), (1366, 14637), (1394, 14343), (1722, 11611), (2049, 9758), (2091, 9562), (4098, 4879), (4182, 4781)]