19867320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 73288800

約数和(自身を除く): 53421480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 173, 174, 180, 198, 220, 232, 261, 264, 290, 319, 330, 346, 348, 360, 396, 435, 440, 495, 519, 522, 580, 638, 660, 692, 696, 792, 865, 870, 957, 990, 1038, 1044, 1160, 1276, 1305, 1320, 1384, 1557, 1595, 1730, 1740, 1903, 1914, 1980, 2076, 2088, 2552, 2595, 2610, 2871, 3114, 3190, 3460, 3480, 3806, 3828, 3960, 4152, 4785, 5017, 5190, 5220, 5709, 5742, 6228, 6380, 6920, 7612, 7656, 7785, 9515, 9570, 10034, 10380, 10440, 11418, 11484, 12456, 12760, 14355, 15051, 15224, 15570, 17127, 19030, 19140, 20068, 20760, 22836, 22968, 25085, 28545, 28710, 30102, 31140, 34254, 38060, 38280, 40136, 45153, 45672, 50170, 55187, 57090, 57420, 60204, 62280, 68508, 75255, 76120, 85635, 90306, 100340, 110374, 114180, 114840, 120408, 137016, 150510, 165561, 171270, 180612, 200680, 220748, 225765, 228360, 275935, 301020, 331122, 342540, 361224, 441496, 451530, 496683, 551870, 602040, 662244, 685080, 827805, 903060, 993366, 1103740, 1324488, 1655610, 1806120, 1986732, 2207480, 2483415, 3311220, 3973464, 4966830, 6622440, 9933660, 19867320]

約数ペア:

[(1, 19867320), (2, 9933660), (3, 6622440), (4, 4966830), (5, 3973464), (6, 3311220), (8, 2483415), (9, 2207480), (10, 1986732), (11, 1806120), (12, 1655610), (15, 1324488), (18, 1103740), (20, 993366), (22, 903060), (24, 827805), (29, 685080), (30, 662244), (33, 602040), (36, 551870), (40, 496683), (44, 451530), (45, 441496), (55, 361224), (58, 342540), (60, 331122), (66, 301020), (72, 275935), (87, 228360), (88, 225765), (90, 220748), (99, 200680), (110, 180612), (116, 171270), (120, 165561), (132, 150510), (145, 137016), (165, 120408), (173, 114840), (174, 114180), (180, 110374), (198, 100340), (220, 90306), (232, 85635), (261, 76120), (264, 75255), (290, 68508), (319, 62280), (330, 60204), (346, 57420), (348, 57090), (360, 55187), (396, 50170), (435, 45672), (440, 45153), (495, 40136), (519, 38280), (522, 38060), (580, 34254), (638, 31140), (660, 30102), (692, 28710), (696, 28545), (792, 25085), (865, 22968), (870, 22836), (957, 20760), (990, 20068), (1038, 19140), (1044, 19030), (1160, 17127), (1276, 15570), (1305, 15224), (1320, 15051), (1384, 14355), (1557, 12760), (1595, 12456), (1730, 11484), (1740, 11418), (1903, 10440), (1914, 10380), (1980, 10034), (2076, 9570), (2088, 9515), (2552, 7785), (2595, 7656), (2610, 7612), (2871, 6920), (3114, 6380), (3190, 6228), (3460, 5742), (3480, 5709), (3806, 5220), (3828, 5190), (3960, 5017), (4152, 4785)]