19806072

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 40673928

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 29, 33, 39, 44, 52, 58, 66, 78, 87, 88, 104, 116, 132, 143, 156, 174, 199, 232, 264, 286, 312, 319, 348, 377, 398, 429, 572, 597, 638, 696, 754, 796, 858, 957, 1131, 1144, 1194, 1276, 1508, 1592, 1716, 1914, 2189, 2262, 2388, 2552, 2587, 3016, 3432, 3828, 4147, 4378, 4524, 4776, 5174, 5771, 6567, 7656, 7761, 8294, 8756, 9048, 10348, 11542, 12441, 13134, 15522, 16588, 17313, 17512, 20696, 23084, 24882, 26268, 28457, 31044, 33176, 34626, 46168, 49764, 52536, 56914, 62088, 63481, 69252, 75023, 85371, 99528, 113828, 126962, 138504, 150046, 170742, 190443, 225069, 227656, 253924, 300092, 341484, 380886, 450138, 507848, 600184, 682968, 761772, 825253, 900276, 1523544, 1650506, 1800552, 2475759, 3301012, 4951518, 6602024, 9903036, 19806072]

約数ペア:

[(1, 19806072), (2, 9903036), (3, 6602024), (4, 4951518), (6, 3301012), (8, 2475759), (11, 1800552), (12, 1650506), (13, 1523544), (22, 900276), (24, 825253), (26, 761772), (29, 682968), (33, 600184), (39, 507848), (44, 450138), (52, 380886), (58, 341484), (66, 300092), (78, 253924), (87, 227656), (88, 225069), (104, 190443), (116, 170742), (132, 150046), (143, 138504), (156, 126962), (174, 113828), (199, 99528), (232, 85371), (264, 75023), (286, 69252), (312, 63481), (319, 62088), (348, 56914), (377, 52536), (398, 49764), (429, 46168), (572, 34626), (597, 33176), (638, 31044), (696, 28457), (754, 26268), (796, 24882), (858, 23084), (957, 20696), (1131, 17512), (1144, 17313), (1194, 16588), (1276, 15522), (1508, 13134), (1592, 12441), (1716, 11542), (1914, 10348), (2189, 9048), (2262, 8756), (2388, 8294), (2552, 7761), (2587, 7656), (3016, 6567), (3432, 5771), (3828, 5174), (4147, 4776), (4378, 4524)]