18339993

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4219}}^1$

素因数の和:4258

約数の個数: 32

約数和(自身を含む): 32409600

約数和(自身を除く): 14069607

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4219, 4347, 12657, 29533, 37971, 88599, 97037, 113913, 265797, 291111, 679259, 797391, 873333, 2037777, 2619999, 6113331, 18339993]

約数ペア:

[(1, 18339993), (3, 6113331), (7, 2619999), (9, 2037777), (21, 873333), (23, 797391), (27, 679259), (63, 291111), (69, 265797), (161, 113913), (189, 97037), (207, 88599), (483, 37971), (621, 29533), (1449, 12657), (4219, 4347)]