19962000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{1109}}^1$

素因数の和:1138

約数の個数: 120

約数和(自身を含む): 69783480

約数和(自身を除く): 49821480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1109, 1125, 1200, 1500, 1800, 2000, 2218, 2250, 3000, 3327, 3600, 4436, 4500, 5545, 6000, 6654, 8872, 9000, 9981, 11090, 13308, 16635, 17744, 18000, 19962, 22180, 26616, 27725, 33270, 39924, 44360, 49905, 53232, 55450, 66540, 79848, 83175, 88720, 99810, 110900, 133080, 138625, 159696, 166350, 199620, 221800, 249525, 266160, 277250, 332700, 399240, 415875, 443600, 499050, 554500, 665400, 798480, 831750, 998100, 1109000, 1247625, 1330800, 1663500, 1996200, 2218000, 2495250, 3327000, 3992400, 4990500, 6654000, 9981000, 19962000]

約数ペア:

[(1, 19962000), (2, 9981000), (3, 6654000), (4, 4990500), (5, 3992400), (6, 3327000), (8, 2495250), (9, 2218000), (10, 1996200), (12, 1663500), (15, 1330800), (16, 1247625), (18, 1109000), (20, 998100), (24, 831750), (25, 798480), (30, 665400), (36, 554500), (40, 499050), (45, 443600), (48, 415875), (50, 399240), (60, 332700), (72, 277250), (75, 266160), (80, 249525), (90, 221800), (100, 199620), (120, 166350), (125, 159696), (144, 138625), (150, 133080), (180, 110900), (200, 99810), (225, 88720), (240, 83175), (250, 79848), (300, 66540), (360, 55450), (375, 53232), (400, 49905), (450, 44360), (500, 39924), (600, 33270), (720, 27725), (750, 26616), (900, 22180), (1000, 19962), (1109, 18000), (1125, 17744), (1200, 16635), (1500, 13308), (1800, 11090), (2000, 9981), (2218, 9000), (2250, 8872), (3000, 6654), (3327, 6000), (3600, 5545), (4436, 4500)]