19899110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 45771264

約数和(自身を除く): 25872154

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 601, 602, 770, 946, 1202, 1505, 2365, 3005, 3010, 3311, 4207, 4730, 6010, 6611, 6622, 8414, 13222, 16555, 21035, 25843, 33055, 33110, 42070, 46277, 51686, 66110, 92554, 129215, 180901, 231385, 258430, 284273, 361802, 462770, 568546, 904505, 1421365, 1809010, 1989911, 2842730, 3979822, 9949555, 19899110]

約数ペア:

[(1, 19899110), (2, 9949555), (5, 3979822), (7, 2842730), (10, 1989911), (11, 1809010), (14, 1421365), (22, 904505), (35, 568546), (43, 462770), (55, 361802), (70, 284273), (77, 258430), (86, 231385), (110, 180901), (154, 129215), (215, 92554), (301, 66110), (385, 51686), (430, 46277), (473, 42070), (601, 33110), (602, 33055), (770, 25843), (946, 21035), (1202, 16555), (1505, 13222), (2365, 8414), (3005, 6622), (3010, 6611), (3311, 6010), (4207, 4730)]