1999496616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19841}}^1$

素因数の和:19899

約数の個数: 128

約数和(自身を含む): 6000220800

約数和(自身を除く): 4000724184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 221, 228, 247, 312, 323, 408, 442, 456, 494, 646, 663, 741, 884, 969, 988, 1292, 1326, 1482, 1768, 1938, 1976, 2584, 2652, 2964, 3876, 4199, 5304, 5928, 7752, 8398, 12597, 16796, 19841, 25194, 33592, 39682, 50388, 59523, 79364, 100776, 119046, 158728, 238092, 257933, 337297, 376979, 476184, 515866, 674594, 753958, 773799, 1011891, 1031732, 1130937, 1349188, 1507916, 1547598, 2023782, 2063464, 2261874, 2698376, 3015832, 3095196, 4047564, 4384861, 4523748, 4900727, 6190392, 6408643, 8095128, 8769722, 9047496, 9801454, 12817286, 13154583, 14702181, 17539444, 19225929, 19602908, 25634572, 26309166, 29404362, 35078888, 38451858, 39205816, 51269144, 52618332, 58808724, 76903716, 83312359, 105236664, 117617448, 153807432, 166624718, 249937077, 333249436, 499874154, 666498872, 999748308, 1999496616]

約数ペア:

[(1, 1999496616), (2, 999748308), (3, 666498872), (4, 499874154), (6, 333249436), (8, 249937077), (12, 166624718), (13, 153807432), (17, 117617448), (19, 105236664), (24, 83312359), (26, 76903716), (34, 58808724), (38, 52618332), (39, 51269144), (51, 39205816), (52, 38451858), (57, 35078888), (68, 29404362), (76, 26309166), (78, 25634572), (102, 19602908), (104, 19225929), (114, 17539444), (136, 14702181), (152, 13154583), (156, 12817286), (204, 9801454), (221, 9047496), (228, 8769722), (247, 8095128), (312, 6408643), (323, 6190392), (408, 4900727), (442, 4523748), (456, 4384861), (494, 4047564), (646, 3095196), (663, 3015832), (741, 2698376), (884, 2261874), (969, 2063464), (988, 2023782), (1292, 1547598), (1326, 1507916), (1482, 1349188), (1768, 1130937), (1938, 1031732), (1976, 1011891), (2584, 773799), (2652, 753958), (2964, 674594), (3876, 515866), (4199, 476184), (5304, 376979), (5928, 337297), (7752, 257933), (8398, 238092), (12597, 158728), (16796, 119046), (19841, 100776), (25194, 79364), (33592, 59523), (39682, 50388)]