19388000

素因数分解:

$2^5\times 5^3\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 49297248

約数和(自身を除く): 29909248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 125, 131, 148, 160, 185, 200, 250, 262, 296, 370, 400, 500, 524, 592, 655, 740, 800, 925, 1000, 1048, 1184, 1310, 1480, 1850, 2000, 2096, 2620, 2960, 3275, 3700, 4000, 4192, 4625, 4847, 5240, 5920, 6550, 7400, 9250, 9694, 10480, 13100, 14800, 16375, 18500, 19388, 20960, 24235, 26200, 29600, 32750, 37000, 38776, 48470, 52400, 65500, 74000, 77552, 96940, 104800, 121175, 131000, 148000, 155104, 193880, 242350, 262000, 387760, 484700, 524000, 605875, 775520, 969400, 1211750, 1938800, 2423500, 3877600, 4847000, 9694000, 19388000]

約数ペア:

[(1, 19388000), (2, 9694000), (4, 4847000), (5, 3877600), (8, 2423500), (10, 1938800), (16, 1211750), (20, 969400), (25, 775520), (32, 605875), (37, 524000), (40, 484700), (50, 387760), (74, 262000), (80, 242350), (100, 193880), (125, 155104), (131, 148000), (148, 131000), (160, 121175), (185, 104800), (200, 96940), (250, 77552), (262, 74000), (296, 65500), (370, 52400), (400, 48470), (500, 38776), (524, 37000), (592, 32750), (655, 29600), (740, 26200), (800, 24235), (925, 20960), (1000, 19388), (1048, 18500), (1184, 16375), (1310, 14800), (1480, 13100), (1850, 10480), (2000, 9694), (2096, 9250), (2620, 7400), (2960, 6550), (3275, 5920), (3700, 5240), (4000, 4847), (4192, 4625)]