18868212

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 37741068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 31, 33, 36, 44, 53, 58, 62, 66, 87, 93, 99, 106, 116, 124, 132, 159, 174, 186, 198, 212, 261, 279, 318, 319, 341, 348, 372, 396, 477, 522, 558, 583, 636, 638, 682, 899, 954, 957, 1023, 1044, 1116, 1166, 1276, 1364, 1537, 1643, 1749, 1798, 1908, 1914, 2046, 2332, 2697, 2871, 3069, 3074, 3286, 3498, 3596, 3828, 4092, 4611, 4929, 5247, 5394, 5742, 6138, 6148, 6572, 6996, 8091, 9222, 9858, 9889, 10494, 10788, 11484, 12276, 13833, 14787, 16182, 16907, 18073, 18444, 19716, 19778, 20988, 27666, 29574, 29667, 32364, 33814, 36146, 39556, 47647, 50721, 54219, 55332, 59148, 59334, 67628, 72292, 89001, 95294, 101442, 108438, 118668, 142941, 152163, 162657, 178002, 190588, 202884, 216876, 285882, 304326, 325314, 356004, 428823, 524117, 571764, 608652, 650628, 857646, 1048234, 1572351, 1715292, 2096468, 3144702, 4717053, 6289404, 9434106, 18868212]

約数ペア:

[(1, 18868212), (2, 9434106), (3, 6289404), (4, 4717053), (6, 3144702), (9, 2096468), (11, 1715292), (12, 1572351), (18, 1048234), (22, 857646), (29, 650628), (31, 608652), (33, 571764), (36, 524117), (44, 428823), (53, 356004), (58, 325314), (62, 304326), (66, 285882), (87, 216876), (93, 202884), (99, 190588), (106, 178002), (116, 162657), (124, 152163), (132, 142941), (159, 118668), (174, 108438), (186, 101442), (198, 95294), (212, 89001), (261, 72292), (279, 67628), (318, 59334), (319, 59148), (341, 55332), (348, 54219), (372, 50721), (396, 47647), (477, 39556), (522, 36146), (558, 33814), (583, 32364), (636, 29667), (638, 29574), (682, 27666), (899, 20988), (954, 19778), (957, 19716), (1023, 18444), (1044, 18073), (1116, 16907), (1166, 16182), (1276, 14787), (1364, 13833), (1537, 12276), (1643, 11484), (1749, 10788), (1798, 10494), (1908, 9889), (1914, 9858), (2046, 9222), (2332, 8091), (2697, 6996), (2871, 6572), (3069, 6148), (3074, 6138), (3286, 5742), (3498, 5394), (3596, 5247), (3828, 4929), (4092, 4611)]