18409797

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4003}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 30814784

約数和(自身を除く): 12404987

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4003, 4599, 12009, 28021, 36027, 84063, 252189, 292219, 876657, 2045533, 2629971, 6136599, 18409797]

約数ペア:

[(1, 18409797), (3, 6136599), (7, 2629971), (9, 2045533), (21, 876657), (63, 292219), (73, 252189), (219, 84063), (511, 36027), (657, 28021), (1533, 12009), (4003, 4599)]