19890930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663031}}^1$

素因数の和:663041

約数の個数: 16

約数和(自身を含む): 47738304

約数和(自身を除く): 27847374

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663031, 1326062, 1989093, 3315155, 3978186, 6630310, 9945465, 19890930]

約数ペア:

[(1, 19890930), (2, 9945465), (3, 6630310), (5, 3978186), (6, 3315155), (10, 1989093), (15, 1326062), (30, 663031)]