19388940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{323149}}^1$

素因数の和:323161

約数の個数: 24

約数和(自身を含む): 54289200

約数和(自身を除く): 34900260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 323149, 646298, 969447, 1292596, 1615745, 1938894, 3231490, 3877788, 4847235, 6462980, 9694470, 19388940]

約数ペア:

[(1, 19388940), (2, 9694470), (3, 6462980), (4, 4847235), (5, 3877788), (6, 3231490), (10, 1938894), (12, 1615745), (15, 1292596), (20, 969447), (30, 646298), (60, 323149)]