19872138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 32382582

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 23, 26, 33, 38, 39, 46, 53, 57, 66, 69, 78, 106, 114, 138, 143, 159, 209, 247, 253, 286, 299, 318, 418, 429, 437, 494, 506, 583, 598, 627, 689, 741, 759, 858, 874, 897, 1007, 1166, 1219, 1254, 1311, 1378, 1482, 1518, 1749, 1794, 2014, 2067, 2438, 2622, 2717, 3021, 3289, 3498, 3657, 4134, 4807, 5434, 5681, 6042, 6578, 7314, 7579, 8151, 9614, 9867, 11077, 11362, 13091, 13409, 14421, 15158, 15847, 16302, 17043, 19734, 22154, 22737, 23161, 26182, 26818, 28842, 31694, 33231, 34086, 39273, 40227, 45474, 46322, 47541, 62491, 66462, 69483, 78546, 80454, 95082, 124982, 138966, 144001, 174317, 187473, 254771, 288002, 301093, 348634, 374946, 432003, 509542, 522951, 602186, 764313, 864006, 903279, 1045902, 1528626, 1806558, 3312023, 6624046, 9936069, 19872138]

約数ペア:

[(1, 19872138), (2, 9936069), (3, 6624046), (6, 3312023), (11, 1806558), (13, 1528626), (19, 1045902), (22, 903279), (23, 864006), (26, 764313), (33, 602186), (38, 522951), (39, 509542), (46, 432003), (53, 374946), (57, 348634), (66, 301093), (69, 288002), (78, 254771), (106, 187473), (114, 174317), (138, 144001), (143, 138966), (159, 124982), (209, 95082), (247, 80454), (253, 78546), (286, 69483), (299, 66462), (318, 62491), (418, 47541), (429, 46322), (437, 45474), (494, 40227), (506, 39273), (583, 34086), (598, 33231), (627, 31694), (689, 28842), (741, 26818), (759, 26182), (858, 23161), (874, 22737), (897, 22154), (1007, 19734), (1166, 17043), (1219, 16302), (1254, 15847), (1311, 15158), (1378, 14421), (1482, 13409), (1518, 13091), (1749, 11362), (1794, 11077), (2014, 9867), (2067, 9614), (2438, 8151), (2622, 7579), (2717, 7314), (3021, 6578), (3289, 6042), (3498, 5681), (3657, 5434), (4134, 4807)]