18115986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 43157664

約数和(自身を除く): 25041678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1433, 1806, 2107, 2866, 4214, 4299, 6321, 8598, 10031, 12642, 20062, 30093, 60186, 61619, 70217, 123238, 140434, 184857, 210651, 369714, 421302, 431333, 862666, 1293999, 2587998, 3019331, 6038662, 9057993, 18115986]

約数ペア:

[(1, 18115986), (2, 9057993), (3, 6038662), (6, 3019331), (7, 2587998), (14, 1293999), (21, 862666), (42, 431333), (43, 421302), (49, 369714), (86, 210651), (98, 184857), (129, 140434), (147, 123238), (258, 70217), (294, 61619), (301, 60186), (602, 30093), (903, 20062), (1433, 12642), (1806, 10031), (2107, 8598), (2866, 6321), (4214, 4299)]