18554140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 46484928

約数和(自身を除く): 27930788

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 121, 164, 170, 187, 205, 220, 242, 340, 374, 410, 451, 484, 605, 697, 748, 820, 902, 935, 1210, 1331, 1394, 1804, 1870, 2057, 2255, 2420, 2662, 2788, 3485, 3740, 4114, 4510, 4961, 5324, 6655, 6970, 7667, 8228, 9020, 9922, 10285, 13310, 13940, 15334, 19844, 20570, 22627, 24805, 26620, 30668, 38335, 41140, 45254, 49610, 54571, 76670, 84337, 90508, 99220, 109142, 113135, 153340, 168674, 218284, 226270, 272855, 337348, 421685, 452540, 545710, 843370, 927707, 1091420, 1686740, 1855414, 3710828, 4638535, 9277070, 18554140]

約数ペア:

[(1, 18554140), (2, 9277070), (4, 4638535), (5, 3710828), (10, 1855414), (11, 1686740), (17, 1091420), (20, 927707), (22, 843370), (34, 545710), (41, 452540), (44, 421685), (55, 337348), (68, 272855), (82, 226270), (85, 218284), (110, 168674), (121, 153340), (164, 113135), (170, 109142), (187, 99220), (205, 90508), (220, 84337), (242, 76670), (340, 54571), (374, 49610), (410, 45254), (451, 41140), (484, 38335), (605, 30668), (697, 26620), (748, 24805), (820, 22627), (902, 20570), (935, 19844), (1210, 15334), (1331, 13940), (1394, 13310), (1804, 10285), (1870, 9922), (2057, 9020), (2255, 8228), (2420, 7667), (2662, 6970), (2788, 6655), (3485, 5324), (3740, 4961), (4114, 4510)]