19816200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 67824900

約数和(自身を除く): 48008700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 101, 109, 120, 150, 180, 200, 202, 218, 225, 300, 303, 327, 360, 404, 436, 450, 505, 545, 600, 606, 654, 808, 872, 900, 909, 981, 1010, 1090, 1212, 1308, 1515, 1635, 1800, 1818, 1962, 2020, 2180, 2424, 2525, 2616, 2725, 3030, 3270, 3636, 3924, 4040, 4360, 4545, 4905, 5050, 5450, 6060, 6540, 7272, 7575, 7848, 8175, 9090, 9810, 10100, 10900, 11009, 12120, 13080, 15150, 16350, 18180, 19620, 20200, 21800, 22018, 22725, 24525, 30300, 32700, 33027, 36360, 39240, 44036, 45450, 49050, 55045, 60600, 65400, 66054, 88072, 90900, 98100, 99081, 110090, 132108, 165135, 181800, 196200, 198162, 220180, 264216, 275225, 330270, 396324, 440360, 495405, 550450, 660540, 792648, 825675, 990810, 1100900, 1321080, 1651350, 1981620, 2201800, 2477025, 3302700, 3963240, 4954050, 6605400, 9908100, 19816200]

約数ペア:

[(1, 19816200), (2, 9908100), (3, 6605400), (4, 4954050), (5, 3963240), (6, 3302700), (8, 2477025), (9, 2201800), (10, 1981620), (12, 1651350), (15, 1321080), (18, 1100900), (20, 990810), (24, 825675), (25, 792648), (30, 660540), (36, 550450), (40, 495405), (45, 440360), (50, 396324), (60, 330270), (72, 275225), (75, 264216), (90, 220180), (100, 198162), (101, 196200), (109, 181800), (120, 165135), (150, 132108), (180, 110090), (200, 99081), (202, 98100), (218, 90900), (225, 88072), (300, 66054), (303, 65400), (327, 60600), (360, 55045), (404, 49050), (436, 45450), (450, 44036), (505, 39240), (545, 36360), (600, 33027), (606, 32700), (654, 30300), (808, 24525), (872, 22725), (900, 22018), (909, 21800), (981, 20200), (1010, 19620), (1090, 18180), (1212, 16350), (1308, 15150), (1515, 13080), (1635, 12120), (1800, 11009), (1818, 10900), (1962, 10100), (2020, 9810), (2180, 9090), (2424, 8175), (2525, 7848), (2616, 7575), (2725, 7272), (3030, 6540), (3270, 6060), (3636, 5450), (3924, 5050), (4040, 4905), (4360, 4545)]