19389800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 45785760

約数和(自身を除く): 26395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1447, 1675, 2680, 2894, 3350, 5788, 6700, 7235, 11576, 13400, 14470, 28940, 36175, 57880, 72350, 96949, 144700, 193898, 289400, 387796, 484745, 775592, 969490, 1938980, 2423725, 3877960, 4847450, 9694900, 19389800]

約数ペア:

[(1, 19389800), (2, 9694900), (4, 4847450), (5, 3877960), (8, 2423725), (10, 1938980), (20, 969490), (25, 775592), (40, 484745), (50, 387796), (67, 289400), (100, 193898), (134, 144700), (200, 96949), (268, 72350), (335, 57880), (536, 36175), (670, 28940), (1340, 14470), (1447, 13400), (1675, 11576), (2680, 7235), (2894, 6700), (3350, 5788)]