19221426

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 54063360

約数和(自身を除く): 34841934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 31, 37, 38, 42, 49, 57, 62, 63, 74, 93, 98, 111, 114, 126, 133, 147, 171, 186, 217, 222, 259, 266, 279, 294, 333, 342, 399, 434, 441, 518, 558, 589, 651, 666, 703, 777, 798, 882, 931, 1147, 1178, 1197, 1302, 1406, 1519, 1554, 1767, 1813, 1862, 1953, 2109, 2294, 2331, 2394, 2793, 3038, 3441, 3534, 3626, 3906, 4123, 4218, 4557, 4662, 4921, 5301, 5439, 5586, 6327, 6882, 8029, 8246, 8379, 9114, 9842, 10323, 10602, 10878, 12369, 12654, 13671, 14763, 16058, 16317, 16758, 20646, 21793, 24087, 24738, 27342, 28861, 29526, 32634, 34447, 37107, 43586, 44289, 48174, 56203, 57722, 65379, 68894, 72261, 74214, 86583, 88578, 103341, 112406, 130758, 144522, 152551, 168609, 173166, 196137, 206682, 259749, 305102, 310023, 337218, 392274, 457653, 505827, 519498, 620046, 915306, 1011654, 1067857, 1372959, 2135714, 2745918, 3203571, 6407142, 9610713, 19221426]

約数ペア:

[(1, 19221426), (2, 9610713), (3, 6407142), (6, 3203571), (7, 2745918), (9, 2135714), (14, 1372959), (18, 1067857), (19, 1011654), (21, 915306), (31, 620046), (37, 519498), (38, 505827), (42, 457653), (49, 392274), (57, 337218), (62, 310023), (63, 305102), (74, 259749), (93, 206682), (98, 196137), (111, 173166), (114, 168609), (126, 152551), (133, 144522), (147, 130758), (171, 112406), (186, 103341), (217, 88578), (222, 86583), (259, 74214), (266, 72261), (279, 68894), (294, 65379), (333, 57722), (342, 56203), (399, 48174), (434, 44289), (441, 43586), (518, 37107), (558, 34447), (589, 32634), (651, 29526), (666, 28861), (703, 27342), (777, 24738), (798, 24087), (882, 21793), (931, 20646), (1147, 16758), (1178, 16317), (1197, 16058), (1302, 14763), (1406, 13671), (1519, 12654), (1554, 12369), (1767, 10878), (1813, 10602), (1862, 10323), (1953, 9842), (2109, 9114), (2294, 8379), (2331, 8246), (2394, 8029), (2793, 6882), (3038, 6327), (3441, 5586), (3534, 5439), (3626, 5301), (3906, 4921), (4123, 4662), (4218, 4557)]