19808130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660271}}^1$

素因数の和:660281

約数の個数: 16

約数和(自身を含む): 47539584

約数和(自身を除く): 27731454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660271, 1320542, 1980813, 3301355, 3961626, 6602710, 9904065, 19808130]

約数ペア:

[(1, 19808130), (2, 9904065), (3, 6602710), (5, 3961626), (6, 3301355), (10, 1980813), (15, 1320542), (30, 660271)]