18354490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 41741568

約数和(自身を除く): 23387078

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 197, 242, 385, 394, 605, 770, 847, 985, 1210, 1331, 1379, 1694, 1970, 2167, 2662, 2758, 4235, 4334, 6655, 6895, 8470, 9317, 10835, 13310, 13790, 15169, 18634, 21670, 23837, 30338, 46585, 47674, 75845, 93170, 119185, 151690, 166859, 238370, 262207, 333718, 524414, 834295, 1311035, 1668590, 1835449, 2622070, 3670898, 9177245, 18354490]

約数ペア:

[(1, 18354490), (2, 9177245), (5, 3670898), (7, 2622070), (10, 1835449), (11, 1668590), (14, 1311035), (22, 834295), (35, 524414), (55, 333718), (70, 262207), (77, 238370), (110, 166859), (121, 151690), (154, 119185), (197, 93170), (242, 75845), (385, 47674), (394, 46585), (605, 30338), (770, 23837), (847, 21670), (985, 18634), (1210, 15169), (1331, 13790), (1379, 13310), (1694, 10835), (1970, 9317), (2167, 8470), (2662, 6895), (2758, 6655), (4235, 4334)]