2021292808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{19937}}^1$

素因数の和:20014

約数の個数: 64

約数和(自身を含む): 4306608000

約数和(自身を除く): 2285315192

約数列:

[1, 2, 4, 8, 19, 23, 29, 38, 46, 58, 76, 92, 116, 152, 184, 232, 437, 551, 667, 874, 1102, 1334, 1748, 2204, 2668, 3496, 4408, 5336, 12673, 19937, 25346, 39874, 50692, 79748, 101384, 159496, 378803, 458551, 578173, 757606, 917102, 1156346, 1515212, 1834204, 2312692, 3030424, 3668408, 4625384, 8712469, 10985287, 13297979, 17424938, 21970574, 26595958, 34849876, 43941148, 53191916, 69699752, 87882296, 106383832, 252661601, 505323202, 1010646404, 2021292808]

約数ペア:

[(1, 2021292808), (2, 1010646404), (4, 505323202), (8, 252661601), (19, 106383832), (23, 87882296), (29, 69699752), (38, 53191916), (46, 43941148), (58, 34849876), (76, 26595958), (92, 21970574), (116, 17424938), (152, 13297979), (184, 10985287), (232, 8712469), (437, 4625384), (551, 3668408), (667, 3030424), (874, 2312692), (1102, 1834204), (1334, 1515212), (1748, 1156346), (2204, 917102), (2668, 757606), (3496, 578173), (4408, 458551), (5336, 378803), (12673, 159496), (19937, 101384), (25346, 79748), (39874, 50692)]