11989860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199831}}^1$

素因数の和:199843

約数の個数: 24

約数和(自身を含む): 33571776

約数和(自身を除く): 21581916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199831, 399662, 599493, 799324, 999155, 1198986, 1998310, 2397972, 2997465, 3996620, 5994930, 11989860]

約数ペア:

[(1, 11989860), (2, 5994930), (3, 3996620), (4, 2997465), (5, 2397972), (6, 1998310), (10, 1198986), (12, 999155), (15, 799324), (20, 599493), (30, 399662), (60, 199831)]