18913426728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{9859}}^1$

素因数の和:10495

約数の個数: 128

約数和(自身を含む): 56982912000

約数和(自身を除く): 38069485272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 601, 798, 1064, 1202, 1596, 1803, 2404, 3192, 3606, 4207, 4808, 7212, 8414, 9859, 11419, 12621, 14424, 16828, 19718, 22838, 25242, 29577, 33656, 34257, 39436, 45676, 50484, 59154, 68514, 69013, 78872, 79933, 91352, 100968, 118308, 137028, 138026, 159866, 187321, 207039, 236616, 239799, 274056, 276052, 319732, 374642, 414078, 479598, 552104, 561963, 639464, 749284, 828156, 959196, 1123926, 1311247, 1498568, 1656312, 1918392, 2247852, 2622494, 3933741, 4495704, 5244988, 5925259, 7867482, 10489976, 11850518, 15734964, 17775777, 23701036, 31469928, 35551554, 41476813, 47402072, 71103108, 82953626, 112579921, 124430439, 142206216, 165907252, 225159842, 248860878, 331814504, 337739763, 450319684, 497721756, 675479526, 788059447, 900639368, 995443512, 1350959052, 1576118894, 2364178341, 2701918104, 3152237788, 4728356682, 6304475576, 9456713364, 18913426728]

約数ペア:

[(1, 18913426728), (2, 9456713364), (3, 6304475576), (4, 4728356682), (6, 3152237788), (7, 2701918104), (8, 2364178341), (12, 1576118894), (14, 1350959052), (19, 995443512), (21, 900639368), (24, 788059447), (28, 675479526), (38, 497721756), (42, 450319684), (56, 337739763), (57, 331814504), (76, 248860878), (84, 225159842), (114, 165907252), (133, 142206216), (152, 124430439), (168, 112579921), (228, 82953626), (266, 71103108), (399, 47402072), (456, 41476813), (532, 35551554), (601, 31469928), (798, 23701036), (1064, 17775777), (1202, 15734964), (1596, 11850518), (1803, 10489976), (2404, 7867482), (3192, 5925259), (3606, 5244988), (4207, 4495704), (4808, 3933741), (7212, 2622494), (8414, 2247852), (9859, 1918392), (11419, 1656312), (12621, 1498568), (14424, 1311247), (16828, 1123926), (19718, 959196), (22838, 828156), (25242, 749284), (29577, 639464), (33656, 561963), (34257, 552104), (39436, 479598), (45676, 414078), (50484, 374642), (59154, 319732), (68514, 276052), (69013, 274056), (78872, 239799), (79933, 236616), (91352, 207039), (100968, 187321), (118308, 159866), (137028, 138026)]