19122390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 57507840

約数和(自身を除く): 38385450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 127, 210, 239, 254, 315, 381, 478, 630, 635, 717, 762, 889, 1143, 1195, 1270, 1434, 1673, 1778, 1905, 2151, 2286, 2390, 2667, 3346, 3585, 3810, 4302, 4445, 5019, 5334, 5715, 7170, 8001, 8365, 8890, 10038, 10755, 11430, 13335, 15057, 16002, 16730, 21510, 25095, 26670, 30114, 30353, 40005, 50190, 60706, 75285, 80010, 91059, 150570, 151765, 182118, 212471, 273177, 303530, 424942, 455295, 546354, 637413, 910590, 1062355, 1274826, 1365885, 1912239, 2124710, 2731770, 3187065, 3824478, 6374130, 9561195, 19122390]

約数ペア:

[(1, 19122390), (2, 9561195), (3, 6374130), (5, 3824478), (6, 3187065), (7, 2731770), (9, 2124710), (10, 1912239), (14, 1365885), (15, 1274826), (18, 1062355), (21, 910590), (30, 637413), (35, 546354), (42, 455295), (45, 424942), (63, 303530), (70, 273177), (90, 212471), (105, 182118), (126, 151765), (127, 150570), (210, 91059), (239, 80010), (254, 75285), (315, 60706), (381, 50190), (478, 40005), (630, 30353), (635, 30114), (717, 26670), (762, 25095), (889, 21510), (1143, 16730), (1195, 16002), (1270, 15057), (1434, 13335), (1673, 11430), (1778, 10755), (1905, 10038), (2151, 8890), (2286, 8365), (2390, 8001), (2667, 7170), (3346, 5715), (3585, 5334), (3810, 5019), (4302, 4445)]