19807530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660251}}^1$

素因数の和:660261

約数の個数: 16

約数和(自身を含む): 47538144

約数和(自身を除く): 27730614

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660251, 1320502, 1980753, 3301255, 3961506, 6602510, 9903765, 19807530]

約数ペア:

[(1, 19807530), (2, 9903765), (3, 6602510), (5, 3961506), (6, 3301255), (10, 1980753), (15, 1320502), (30, 660251)]