19240000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 140

約数和(自身を含む): 52767484

約数和(自身を除く): 33527484

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 64, 65, 74, 80, 100, 104, 125, 130, 148, 160, 185, 200, 208, 250, 260, 296, 320, 325, 370, 400, 416, 481, 500, 520, 592, 625, 650, 740, 800, 832, 925, 962, 1000, 1040, 1184, 1250, 1300, 1480, 1600, 1625, 1850, 1924, 2000, 2080, 2368, 2405, 2500, 2600, 2960, 3250, 3700, 3848, 4000, 4160, 4625, 4810, 5000, 5200, 5920, 6500, 7400, 7696, 8000, 8125, 9250, 9620, 10000, 10400, 11840, 12025, 13000, 14800, 15392, 16250, 18500, 19240, 20000, 20800, 23125, 24050, 26000, 29600, 30784, 32500, 37000, 38480, 40000, 46250, 48100, 52000, 59200, 60125, 65000, 74000, 76960, 92500, 96200, 104000, 120250, 130000, 148000, 153920, 185000, 192400, 240500, 260000, 296000, 300625, 370000, 384800, 481000, 520000, 601250, 740000, 769600, 962000, 1202500, 1480000, 1924000, 2405000, 3848000, 4810000, 9620000, 19240000]

約数ペア:

[(1, 19240000), (2, 9620000), (4, 4810000), (5, 3848000), (8, 2405000), (10, 1924000), (13, 1480000), (16, 1202500), (20, 962000), (25, 769600), (26, 740000), (32, 601250), (37, 520000), (40, 481000), (50, 384800), (52, 370000), (64, 300625), (65, 296000), (74, 260000), (80, 240500), (100, 192400), (104, 185000), (125, 153920), (130, 148000), (148, 130000), (160, 120250), (185, 104000), (200, 96200), (208, 92500), (250, 76960), (260, 74000), (296, 65000), (320, 60125), (325, 59200), (370, 52000), (400, 48100), (416, 46250), (481, 40000), (500, 38480), (520, 37000), (592, 32500), (625, 30784), (650, 29600), (740, 26000), (800, 24050), (832, 23125), (925, 20800), (962, 20000), (1000, 19240), (1040, 18500), (1184, 16250), (1250, 15392), (1300, 14800), (1480, 13000), (1600, 12025), (1625, 11840), (1850, 10400), (1924, 10000), (2000, 9620), (2080, 9250), (2368, 8125), (2405, 8000), (2500, 7696), (2600, 7400), (2960, 6500), (3250, 5920), (3700, 5200), (3848, 5000), (4000, 4810), (4160, 4625)]