18421920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1$

素因数の和:1195

約数の個数: 144

約数和(自身を含む): 68638752

約数和(自身を除く): 50216832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1163, 1320, 1440, 1584, 1760, 1980, 2326, 2640, 3168, 3489, 3960, 4652, 5280, 5815, 6978, 7920, 9304, 10467, 11630, 12793, 13956, 15840, 17445, 18608, 20934, 23260, 25586, 27912, 34890, 37216, 38379, 41868, 46520, 51172, 52335, 55824, 63965, 69780, 76758, 83736, 93040, 102344, 104670, 111648, 115137, 127930, 139560, 153516, 167472, 186080, 191895, 204688, 209340, 230274, 255860, 279120, 307032, 334944, 383790, 409376, 418680, 460548, 511720, 558240, 575685, 614064, 767580, 837360, 921096, 1023440, 1151370, 1228128, 1535160, 1674720, 1842192, 2046880, 2302740, 3070320, 3684384, 4605480, 6140640, 9210960, 18421920]

約数ペア:

[(1, 18421920), (2, 9210960), (3, 6140640), (4, 4605480), (5, 3684384), (6, 3070320), (8, 2302740), (9, 2046880), (10, 1842192), (11, 1674720), (12, 1535160), (15, 1228128), (16, 1151370), (18, 1023440), (20, 921096), (22, 837360), (24, 767580), (30, 614064), (32, 575685), (33, 558240), (36, 511720), (40, 460548), (44, 418680), (45, 409376), (48, 383790), (55, 334944), (60, 307032), (66, 279120), (72, 255860), (80, 230274), (88, 209340), (90, 204688), (96, 191895), (99, 186080), (110, 167472), (120, 153516), (132, 139560), (144, 127930), (160, 115137), (165, 111648), (176, 104670), (180, 102344), (198, 93040), (220, 83736), (240, 76758), (264, 69780), (288, 63965), (330, 55824), (352, 52335), (360, 51172), (396, 46520), (440, 41868), (480, 38379), (495, 37216), (528, 34890), (660, 27912), (720, 25586), (792, 23260), (880, 20934), (990, 18608), (1056, 17445), (1163, 15840), (1320, 13956), (1440, 12793), (1584, 11630), (1760, 10467), (1980, 9304), (2326, 7920), (2640, 6978), (3168, 5815), (3489, 5280), (3960, 4652)]