19639860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327331}}^1$

素因数の和:327343

約数の個数: 24

約数和(自身を含む): 54991776

約数和(自身を除く): 35351916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327331, 654662, 981993, 1309324, 1636655, 1963986, 3273310, 3927972, 4909965, 6546620, 9819930, 19639860]

約数ペア:

[(1, 19639860), (2, 9819930), (3, 6546620), (4, 4909965), (5, 3927972), (6, 3273310), (10, 1963986), (12, 1636655), (15, 1309324), (20, 981993), (30, 654662), (60, 327331)]