18946620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1$

素因数の和:1400

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 52758468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1367, 1386, 1540, 1980, 2310, 2734, 2772, 3465, 4101, 4620, 5468, 6835, 6930, 8202, 9569, 12303, 13670, 13860, 15037, 16404, 19138, 20505, 24606, 27340, 28707, 30074, 38276, 41010, 45111, 47845, 49212, 57414, 60148, 61515, 75185, 82020, 86121, 90222, 95690, 105259, 114828, 123030, 135333, 143535, 150370, 172242, 180444, 191380, 210518, 225555, 246060, 270666, 287070, 300740, 315777, 344484, 421036, 430605, 451110, 526295, 541332, 574140, 631554, 676665, 861210, 902220, 947331, 1052590, 1263108, 1353330, 1578885, 1722420, 1894662, 2105180, 2706660, 3157770, 3789324, 4736655, 6315540, 9473310, 18946620]

約数ペア:

[(1, 18946620), (2, 9473310), (3, 6315540), (4, 4736655), (5, 3789324), (6, 3157770), (7, 2706660), (9, 2105180), (10, 1894662), (11, 1722420), (12, 1578885), (14, 1353330), (15, 1263108), (18, 1052590), (20, 947331), (21, 902220), (22, 861210), (28, 676665), (30, 631554), (33, 574140), (35, 541332), (36, 526295), (42, 451110), (44, 430605), (45, 421036), (55, 344484), (60, 315777), (63, 300740), (66, 287070), (70, 270666), (77, 246060), (84, 225555), (90, 210518), (99, 191380), (105, 180444), (110, 172242), (126, 150370), (132, 143535), (140, 135333), (154, 123030), (165, 114828), (180, 105259), (198, 95690), (210, 90222), (220, 86121), (231, 82020), (252, 75185), (308, 61515), (315, 60148), (330, 57414), (385, 49212), (396, 47845), (420, 45111), (462, 41010), (495, 38276), (630, 30074), (660, 28707), (693, 27340), (770, 24606), (924, 20505), (990, 19138), (1155, 16404), (1260, 15037), (1367, 13860), (1386, 13670), (1540, 12303), (1980, 9569), (2310, 8202), (2734, 6930), (2772, 6835), (3465, 5468), (4101, 4620)]