19242280

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1039}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 24188120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1039, 1852, 2078, 2315, 3704, 4156, 4630, 5195, 8312, 9260, 10390, 18520, 20780, 41560, 481057, 962114, 1924228, 2405285, 3848456, 4810570, 9621140, 19242280]

約数ペア:

[(1, 19242280), (2, 9621140), (4, 4810570), (5, 3848456), (8, 2405285), (10, 1924228), (20, 962114), (40, 481057), (463, 41560), (926, 20780), (1039, 18520), (1852, 10390), (2078, 9260), (2315, 8312), (3704, 5195), (4156, 4630)]