19189800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1523}}^1$

素因数の和:1552

約数の個数: 144

約数和(自身を含む): 73700640

約数和(自身を除く): 54510840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1523, 1575, 1800, 2100, 2520, 3046, 3150, 4200, 4569, 6092, 6300, 7615, 9138, 10661, 12184, 12600, 13707, 15230, 18276, 21322, 22845, 27414, 30460, 31983, 36552, 38075, 42644, 45690, 53305, 54828, 60920, 63966, 68535, 76150, 85288, 91380, 95949, 106610, 109656, 114225, 127932, 137070, 152300, 159915, 182760, 191898, 213220, 228450, 255864, 266525, 274140, 304600, 319830, 342675, 383796, 426440, 456900, 479745, 533050, 548280, 639660, 685350, 767592, 799575, 913800, 959490, 1066100, 1279320, 1370700, 1599150, 1918980, 2132200, 2398725, 2741400, 3198300, 3837960, 4797450, 6396600, 9594900, 19189800]

約数ペア:

[(1, 19189800), (2, 9594900), (3, 6396600), (4, 4797450), (5, 3837960), (6, 3198300), (7, 2741400), (8, 2398725), (9, 2132200), (10, 1918980), (12, 1599150), (14, 1370700), (15, 1279320), (18, 1066100), (20, 959490), (21, 913800), (24, 799575), (25, 767592), (28, 685350), (30, 639660), (35, 548280), (36, 533050), (40, 479745), (42, 456900), (45, 426440), (50, 383796), (56, 342675), (60, 319830), (63, 304600), (70, 274140), (72, 266525), (75, 255864), (84, 228450), (90, 213220), (100, 191898), (105, 182760), (120, 159915), (126, 152300), (140, 137070), (150, 127932), (168, 114225), (175, 109656), (180, 106610), (200, 95949), (210, 91380), (225, 85288), (252, 76150), (280, 68535), (300, 63966), (315, 60920), (350, 54828), (360, 53305), (420, 45690), (450, 42644), (504, 38075), (525, 36552), (600, 31983), (630, 30460), (700, 27414), (840, 22845), (900, 21322), (1050, 18276), (1260, 15230), (1400, 13707), (1523, 12600), (1575, 12184), (1800, 10661), (2100, 9138), (2520, 7615), (3046, 6300), (3150, 6092), (4200, 4569)]