18979270

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{25999}}^1$

素因数の和:26079

約数の個数: 16

約数和(自身を含む): 34632000

約数和(自身を除く): 15652730

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 25999, 51998, 129995, 259990, 1897927, 3795854, 9489635, 18979270]

約数ペア:

[(1, 18979270), (2, 9489635), (5, 3795854), (10, 1897927), (73, 259990), (146, 129995), (365, 51998), (730, 25999)]