19438000

素因数分解:

$2^4\times 5^3\times {\mathrm{9719}}^1$

素因数の和:9742

約数の個数: 40

約数和(自身を含む): 47005920

約数和(自身を除く): 27567920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9719, 19438, 38876, 48595, 77752, 97190, 155504, 194380, 242975, 388760, 485950, 777520, 971900, 1214875, 1943800, 2429750, 3887600, 4859500, 9719000, 19438000]

約数ペア:

[(1, 19438000), (2, 9719000), (4, 4859500), (5, 3887600), (8, 2429750), (10, 1943800), (16, 1214875), (20, 971900), (25, 777520), (40, 485950), (50, 388760), (80, 242975), (100, 194380), (125, 155504), (200, 97190), (250, 77752), (400, 48595), (500, 38876), (1000, 19438), (2000, 9719)]