19988340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333139}}^1$

素因数の和:333151

約数の個数: 24

約数和(自身を含む): 55967520

約数和(自身を除く): 35979180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333139, 666278, 999417, 1332556, 1665695, 1998834, 3331390, 3997668, 4997085, 6662780, 9994170, 19988340]

約数ペア:

[(1, 19988340), (2, 9994170), (3, 6662780), (4, 4997085), (5, 3997668), (6, 3331390), (10, 1998834), (12, 1665695), (15, 1332556), (20, 999417), (30, 666278), (60, 333139)]