18964440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4789}}^1$

素因数の和:4817

約数の個数: 96

約数和(自身を含む): 67251600

約数和(自身を除く): 48287160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4789, 9578, 14367, 19156, 23945, 28734, 38312, 43101, 47890, 52679, 57468, 71835, 86202, 95780, 105358, 114936, 143670, 158037, 172404, 191560, 210716, 215505, 263395, 287340, 316074, 344808, 421432, 431010, 474111, 526790, 574680, 632148, 790185, 862020, 948222, 1053580, 1264296, 1580370, 1724040, 1896444, 2107160, 2370555, 3160740, 3792888, 4741110, 6321480, 9482220, 18964440]

約数ペア:

[(1, 18964440), (2, 9482220), (3, 6321480), (4, 4741110), (5, 3792888), (6, 3160740), (8, 2370555), (9, 2107160), (10, 1896444), (11, 1724040), (12, 1580370), (15, 1264296), (18, 1053580), (20, 948222), (22, 862020), (24, 790185), (30, 632148), (33, 574680), (36, 526790), (40, 474111), (44, 431010), (45, 421432), (55, 344808), (60, 316074), (66, 287340), (72, 263395), (88, 215505), (90, 210716), (99, 191560), (110, 172404), (120, 158037), (132, 143670), (165, 114936), (180, 105358), (198, 95780), (220, 86202), (264, 71835), (330, 57468), (360, 52679), (396, 47890), (440, 43101), (495, 38312), (660, 28734), (792, 23945), (990, 19156), (1320, 14367), (1980, 9578), (3960, 4789)]