18399920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 55710720

約数和(自身を除く): 37310800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 80, 88, 103, 110, 112, 116, 140, 145, 154, 176, 203, 206, 220, 232, 280, 290, 308, 319, 385, 406, 412, 440, 464, 515, 560, 580, 616, 638, 721, 770, 812, 824, 880, 1015, 1030, 1133, 1160, 1232, 1276, 1442, 1540, 1595, 1624, 1648, 2030, 2060, 2233, 2266, 2320, 2552, 2884, 2987, 3080, 3190, 3248, 3605, 4060, 4120, 4466, 4532, 5104, 5665, 5768, 5974, 6160, 6380, 7210, 7931, 8120, 8240, 8932, 9064, 11165, 11330, 11536, 11948, 12760, 14420, 14935, 15862, 16240, 17864, 18128, 20909, 22330, 22660, 23896, 25520, 28840, 29870, 31724, 32857, 35728, 39655, 41818, 44660, 45320, 47792, 57680, 59740, 63448, 65714, 79310, 83636, 89320, 90640, 104545, 119480, 126896, 131428, 158620, 164285, 167272, 178640, 209090, 229999, 238960, 262856, 317240, 328570, 334544, 418180, 459998, 525712, 634480, 657140, 836360, 919996, 1149995, 1314280, 1672720, 1839992, 2299990, 2628560, 3679984, 4599980, 9199960, 18399920]

約数ペア:

[(1, 18399920), (2, 9199960), (4, 4599980), (5, 3679984), (7, 2628560), (8, 2299990), (10, 1839992), (11, 1672720), (14, 1314280), (16, 1149995), (20, 919996), (22, 836360), (28, 657140), (29, 634480), (35, 525712), (40, 459998), (44, 418180), (55, 334544), (56, 328570), (58, 317240), (70, 262856), (77, 238960), (80, 229999), (88, 209090), (103, 178640), (110, 167272), (112, 164285), (116, 158620), (140, 131428), (145, 126896), (154, 119480), (176, 104545), (203, 90640), (206, 89320), (220, 83636), (232, 79310), (280, 65714), (290, 63448), (308, 59740), (319, 57680), (385, 47792), (406, 45320), (412, 44660), (440, 41818), (464, 39655), (515, 35728), (560, 32857), (580, 31724), (616, 29870), (638, 28840), (721, 25520), (770, 23896), (812, 22660), (824, 22330), (880, 20909), (1015, 18128), (1030, 17864), (1133, 16240), (1160, 15862), (1232, 14935), (1276, 14420), (1442, 12760), (1540, 11948), (1595, 11536), (1624, 11330), (1648, 11165), (2030, 9064), (2060, 8932), (2233, 8240), (2266, 8120), (2320, 7931), (2552, 7210), (2884, 6380), (2987, 6160), (3080, 5974), (3190, 5768), (3248, 5665), (3605, 5104), (4060, 4532), (4120, 4466)]