19890030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663001}}^1$

素因数の和:663011

約数の個数: 16

約数和(自身を含む): 47736144

約数和(自身を除く): 27846114

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663001, 1326002, 1989003, 3315005, 3978006, 6630010, 9945015, 19890030]

約数ペア:

[(1, 19890030), (2, 9945015), (3, 6630010), (5, 3978006), (6, 3315005), (10, 1989003), (15, 1326002), (30, 663001)]