19999380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333323}}^1$

素因数の和:333335

約数の個数: 24

約数和(自身を含む): 55998432

約数和(自身を除く): 35999052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333323, 666646, 999969, 1333292, 1666615, 1999938, 3333230, 3999876, 4999845, 6666460, 9999690, 19999380]

約数ペア:

[(1, 19999380), (2, 9999690), (3, 6666460), (4, 4999845), (5, 3999876), (6, 3333230), (10, 1999938), (12, 1666615), (15, 1333292), (20, 999969), (30, 666646), (60, 333323)]