18478782

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 48484800

約数和(自身を除く): 30006018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 73, 82, 98, 123, 126, 146, 147, 219, 246, 287, 294, 343, 369, 438, 441, 511, 574, 657, 686, 738, 861, 882, 1022, 1029, 1314, 1533, 1722, 2009, 2058, 2583, 2993, 3066, 3087, 3577, 4018, 4599, 5166, 5986, 6027, 6174, 7154, 8979, 9198, 10731, 12054, 14063, 17958, 18081, 20951, 21462, 25039, 26937, 28126, 32193, 36162, 41902, 42189, 50078, 53874, 62853, 64386, 75117, 84378, 125706, 126567, 146657, 150234, 188559, 225351, 253134, 293314, 377118, 439971, 450702, 879942, 1026599, 1319913, 2053198, 2639826, 3079797, 6159594, 9239391, 18478782]

約数ペア:

[(1, 18478782), (2, 9239391), (3, 6159594), (6, 3079797), (7, 2639826), (9, 2053198), (14, 1319913), (18, 1026599), (21, 879942), (41, 450702), (42, 439971), (49, 377118), (63, 293314), (73, 253134), (82, 225351), (98, 188559), (123, 150234), (126, 146657), (146, 126567), (147, 125706), (219, 84378), (246, 75117), (287, 64386), (294, 62853), (343, 53874), (369, 50078), (438, 42189), (441, 41902), (511, 36162), (574, 32193), (657, 28126), (686, 26937), (738, 25039), (861, 21462), (882, 20951), (1022, 18081), (1029, 17958), (1314, 14063), (1533, 12054), (1722, 10731), (2009, 9198), (2058, 8979), (2583, 7154), (2993, 6174), (3066, 6027), (3087, 5986), (3577, 5166), (4018, 4599)]