18841347

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13003}}^1$

素因数の和:13039

約数の個数: 24

約数和(自身を含む): 32457984

約数和(自身を除く): 13616637

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13003, 39009, 91021, 117027, 273063, 299069, 819189, 897207, 2093483, 2691621, 6280449, 18841347]

約数ペア:

[(1, 18841347), (3, 6280449), (7, 2691621), (9, 2093483), (21, 897207), (23, 819189), (63, 299069), (69, 273063), (161, 117027), (207, 91021), (483, 39009), (1449, 13003)]