19258288

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1607}}^1$

素因数の和:1729

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 23810384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1607, 1712, 2996, 3214, 5992, 6428, 11249, 11984, 12856, 22498, 25712, 44996, 89992, 171949, 179984, 343898, 687796, 1203643, 1375592, 2407286, 2751184, 4814572, 9629144, 19258288]

約数ペア:

[(1, 19258288), (2, 9629144), (4, 4814572), (7, 2751184), (8, 2407286), (14, 1375592), (16, 1203643), (28, 687796), (56, 343898), (107, 179984), (112, 171949), (214, 89992), (428, 44996), (749, 25712), (856, 22498), (1498, 12856), (1607, 11984), (1712, 11249), (2996, 6428), (3214, 5992)]