18938160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:955

約数の個数: 120

約数和(自身を含む): 65866320

約数和(自身を除く): 46928160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 907, 1044, 1160, 1305, 1392, 1740, 1814, 2088, 2320, 2610, 2721, 3480, 3628, 4176, 4535, 5220, 5442, 6960, 7256, 8163, 9070, 10440, 10884, 13605, 14512, 16326, 18140, 20880, 21768, 26303, 27210, 32652, 36280, 40815, 43536, 52606, 54420, 65304, 72560, 78909, 81630, 105212, 108840, 130608, 131515, 157818, 163260, 210424, 217680, 236727, 263030, 315636, 326520, 394545, 420848, 473454, 526060, 631272, 653040, 789090, 946908, 1052120, 1183635, 1262544, 1578180, 1893816, 2104240, 2367270, 3156360, 3787632, 4734540, 6312720, 9469080, 18938160]

約数ペア:

[(1, 18938160), (2, 9469080), (3, 6312720), (4, 4734540), (5, 3787632), (6, 3156360), (8, 2367270), (9, 2104240), (10, 1893816), (12, 1578180), (15, 1262544), (16, 1183635), (18, 1052120), (20, 946908), (24, 789090), (29, 653040), (30, 631272), (36, 526060), (40, 473454), (45, 420848), (48, 394545), (58, 326520), (60, 315636), (72, 263030), (80, 236727), (87, 217680), (90, 210424), (116, 163260), (120, 157818), (144, 131515), (145, 130608), (174, 108840), (180, 105212), (232, 81630), (240, 78909), (261, 72560), (290, 65304), (348, 54420), (360, 52606), (435, 43536), (464, 40815), (522, 36280), (580, 32652), (696, 27210), (720, 26303), (870, 21768), (907, 20880), (1044, 18140), (1160, 16326), (1305, 14512), (1392, 13605), (1740, 10884), (1814, 10440), (2088, 9070), (2320, 8163), (2610, 7256), (2721, 6960), (3480, 5442), (3628, 5220), (4176, 4535)]