19491730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26701}}^1$

素因数の和:26781

約数の個数: 16

約数和(自身を含む): 35567064

約数和(自身を除く): 16075334

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 26701, 53402, 133505, 267010, 1949173, 3898346, 9745865, 19491730]

約数ペア:

[(1, 19491730), (2, 9745865), (5, 3898346), (10, 1949173), (73, 267010), (146, 133505), (365, 53402), (730, 26701)]