18319070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 42287616

約数和(自身を除く): 23968546

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 643, 770, 814, 1286, 1295, 2035, 2590, 2849, 3215, 4070, 4501, 5698, 6430, 7073, 9002, 14146, 14245, 22505, 23791, 28490, 35365, 45010, 47582, 49511, 70730, 99022, 118955, 166537, 237910, 247555, 261701, 333074, 495110, 523402, 832685, 1308505, 1665370, 1831907, 2617010, 3663814, 9159535, 18319070]

約数ペア:

[(1, 18319070), (2, 9159535), (5, 3663814), (7, 2617010), (10, 1831907), (11, 1665370), (14, 1308505), (22, 832685), (35, 523402), (37, 495110), (55, 333074), (70, 261701), (74, 247555), (77, 237910), (110, 166537), (154, 118955), (185, 99022), (259, 70730), (370, 49511), (385, 47582), (407, 45010), (518, 35365), (643, 28490), (770, 23791), (814, 22505), (1286, 14245), (1295, 14146), (2035, 9002), (2590, 7073), (2849, 6430), (3215, 5698), (4070, 4501)]