19508980

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1607}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 41061888

約数和(自身を除く): 21552908

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1607, 2428, 3035, 3214, 6070, 6428, 8035, 12140, 16070, 32140, 975449, 1950898, 3901796, 4877245, 9754490, 19508980]

約数ペア:

[(1, 19508980), (2, 9754490), (4, 4877245), (5, 3901796), (10, 1950898), (20, 975449), (607, 32140), (1214, 16070), (1607, 12140), (2428, 8035), (3035, 6428), (3214, 6070)]