18905481

素因数分解:

$3^4\times 7^1\times {\mathrm{33343}}^1$

素因数の和:33362

約数の個数: 20

約数和(自身を含む): 32276992

約数和(自身を除く): 13371511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33343, 100029, 233401, 300087, 700203, 900261, 2100609, 2700783, 6301827, 18905481]

約数ペア:

[(1, 18905481), (3, 6301827), (7, 2700783), (9, 2100609), (21, 900261), (27, 700203), (63, 300087), (81, 233401), (189, 100029), (567, 33343)]