18801477828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71947}}^1$

素因数の和:72042

約数の個数: 144

約数和(自身を含む): 58454008704

約数和(自身を除く): 39652530876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 61, 63, 68, 84, 102, 119, 122, 126, 153, 183, 204, 238, 244, 252, 306, 357, 366, 427, 476, 549, 612, 714, 732, 854, 1037, 1071, 1098, 1281, 1428, 1708, 2074, 2142, 2196, 2562, 3111, 3843, 4148, 4284, 5124, 6222, 7259, 7686, 9333, 12444, 14518, 15372, 18666, 21777, 29036, 37332, 43554, 65331, 71947, 87108, 130662, 143894, 215841, 261324, 287788, 431682, 503629, 647523, 863364, 1007258, 1223099, 1295046, 1510887, 2014516, 2446198, 2590092, 3021774, 3669297, 4388767, 4532661, 4892396, 6043548, 7338594, 8561693, 8777534, 9065322, 11007891, 13166301, 14677188, 17123386, 17555068, 18130644, 22015782, 25685079, 26332602, 30721369, 34246772, 39498903, 44031564, 51370158, 52665204, 61442738, 74609039, 77055237, 78997806, 92164107, 102740316, 122885476, 149218078, 154110474, 157995612, 184328214, 223827117, 276492321, 298436156, 308220948, 368656428, 447654234, 522263273, 552984642, 671481351, 895308468, 1044526546, 1105969284, 1342962702, 1566789819, 2089053092, 2685925404, 3133579638, 4700369457, 6267159276, 9400738914, 18801477828]

約数ペア:

[(1, 18801477828), (2, 9400738914), (3, 6267159276), (4, 4700369457), (6, 3133579638), (7, 2685925404), (9, 2089053092), (12, 1566789819), (14, 1342962702), (17, 1105969284), (18, 1044526546), (21, 895308468), (28, 671481351), (34, 552984642), (36, 522263273), (42, 447654234), (51, 368656428), (61, 308220948), (63, 298436156), (68, 276492321), (84, 223827117), (102, 184328214), (119, 157995612), (122, 154110474), (126, 149218078), (153, 122885476), (183, 102740316), (204, 92164107), (238, 78997806), (244, 77055237), (252, 74609039), (306, 61442738), (357, 52665204), (366, 51370158), (427, 44031564), (476, 39498903), (549, 34246772), (612, 30721369), (714, 26332602), (732, 25685079), (854, 22015782), (1037, 18130644), (1071, 17555068), (1098, 17123386), (1281, 14677188), (1428, 13166301), (1708, 11007891), (2074, 9065322), (2142, 8777534), (2196, 8561693), (2562, 7338594), (3111, 6043548), (3843, 4892396), (4148, 4532661), (4284, 4388767), (5124, 3669297), (6222, 3021774), (7259, 2590092), (7686, 2446198), (9333, 2014516), (12444, 1510887), (14518, 1295046), (15372, 1223099), (18666, 1007258), (21777, 863364), (29036, 647523), (37332, 503629), (43554, 431682), (65331, 287788), (71947, 261324), (87108, 215841), (130662, 143894)]