18223992

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 49770240

約数和(自身を除く): 31546248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 1993, 2286, 3048, 3986, 4572, 5979, 7972, 9144, 11958, 15944, 17937, 23916, 35874, 47832, 71748, 143496, 253111, 506222, 759333, 1012444, 1518666, 2024888, 2277999, 3037332, 4555998, 6074664, 9111996, 18223992]

約数ペア:

[(1, 18223992), (2, 9111996), (3, 6074664), (4, 4555998), (6, 3037332), (8, 2277999), (9, 2024888), (12, 1518666), (18, 1012444), (24, 759333), (36, 506222), (72, 253111), (127, 143496), (254, 71748), (381, 47832), (508, 35874), (762, 23916), (1016, 17937), (1143, 15944), (1524, 11958), (1993, 9144), (2286, 7972), (3048, 5979), (3986, 4572)]