18436221520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{8807}}^1$

素因数の和:9148

約数の個数: 80

約数和(自身を含む): 43408078848

約数和(自身を除く): 24971857328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 191, 274, 382, 548, 685, 764, 955, 1096, 1370, 1528, 1910, 2192, 2740, 3056, 3820, 5480, 7640, 8807, 10960, 15280, 17614, 26167, 35228, 44035, 52334, 70456, 88070, 104668, 130835, 140912, 176140, 209336, 261670, 352280, 418672, 523340, 704560, 1046680, 1206559, 1682137, 2093360, 2413118, 3364274, 4826236, 6032795, 6728548, 8410685, 9652472, 12065590, 13457096, 16821370, 19304944, 24131180, 26914192, 33642740, 48262360, 67285480, 96524720, 134570960, 230452769, 460905538, 921811076, 1152263845, 1843622152, 2304527690, 3687244304, 4609055380, 9218110760, 18436221520]

約数ペア:

[(1, 18436221520), (2, 9218110760), (4, 4609055380), (5, 3687244304), (8, 2304527690), (10, 1843622152), (16, 1152263845), (20, 921811076), (40, 460905538), (80, 230452769), (137, 134570960), (191, 96524720), (274, 67285480), (382, 48262360), (548, 33642740), (685, 26914192), (764, 24131180), (955, 19304944), (1096, 16821370), (1370, 13457096), (1528, 12065590), (1910, 9652472), (2192, 8410685), (2740, 6728548), (3056, 6032795), (3820, 4826236), (5480, 3364274), (7640, 2413118), (8807, 2093360), (10960, 1682137), (15280, 1206559), (17614, 1046680), (26167, 704560), (35228, 523340), (44035, 418672), (52334, 352280), (70456, 261670), (88070, 209336), (104668, 176140), (130835, 140912)]