19495080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 71612640

約数和(自身を除く): 52117560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 547, 594, 648, 660, 792, 810, 891, 990, 1080, 1094, 1188, 1320, 1485, 1620, 1641, 1782, 1980, 2188, 2376, 2735, 2970, 3240, 3282, 3564, 3960, 4376, 4455, 4923, 5470, 5940, 6017, 6564, 7128, 8205, 8910, 9846, 10940, 11880, 12034, 13128, 14769, 16410, 17820, 18051, 19692, 21880, 24068, 24615, 29538, 30085, 32820, 35640, 36102, 39384, 44307, 48136, 49230, 54153, 59076, 60170, 65640, 72204, 73845, 88614, 90255, 98460, 108306, 118152, 120340, 144408, 147690, 162459, 177228, 180510, 196920, 216612, 221535, 240680, 270765, 295380, 324918, 354456, 361020, 433224, 443070, 487377, 541530, 590760, 649836, 722040, 812295, 886140, 974754, 1083060, 1299672, 1624590, 1772280, 1949508, 2166120, 2436885, 3249180, 3899016, 4873770, 6498360, 9747540, 19495080]

約数ペア:

[(1, 19495080), (2, 9747540), (3, 6498360), (4, 4873770), (5, 3899016), (6, 3249180), (8, 2436885), (9, 2166120), (10, 1949508), (11, 1772280), (12, 1624590), (15, 1299672), (18, 1083060), (20, 974754), (22, 886140), (24, 812295), (27, 722040), (30, 649836), (33, 590760), (36, 541530), (40, 487377), (44, 443070), (45, 433224), (54, 361020), (55, 354456), (60, 324918), (66, 295380), (72, 270765), (81, 240680), (88, 221535), (90, 216612), (99, 196920), (108, 180510), (110, 177228), (120, 162459), (132, 147690), (135, 144408), (162, 120340), (165, 118152), (180, 108306), (198, 98460), (216, 90255), (220, 88614), (264, 73845), (270, 72204), (297, 65640), (324, 60170), (330, 59076), (360, 54153), (396, 49230), (405, 48136), (440, 44307), (495, 39384), (540, 36102), (547, 35640), (594, 32820), (648, 30085), (660, 29538), (792, 24615), (810, 24068), (891, 21880), (990, 19692), (1080, 18051), (1094, 17820), (1188, 16410), (1320, 14769), (1485, 13128), (1620, 12034), (1641, 11880), (1782, 10940), (1980, 9846), (2188, 8910), (2376, 8205), (2735, 7128), (2970, 6564), (3240, 6017), (3282, 5940), (3564, 5470), (3960, 4923), (4376, 4455)]