19983885

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{36007}}^1$

素因数の和:36052

約数の個数: 16

約数和(自身を含む): 32839296

約数和(自身を除く): 12855411

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 36007, 108021, 180035, 540105, 1332259, 3996777, 6661295, 19983885]

約数ペア:

[(1, 19983885), (3, 6661295), (5, 3996777), (15, 1332259), (37, 540105), (111, 180035), (185, 108021), (555, 36007)]