19724432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 160

約数和(自身を含む): 53329920

約数和(自身を除く): 33605488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 31, 38, 46, 52, 56, 62, 76, 91, 92, 104, 112, 124, 133, 152, 161, 182, 184, 208, 217, 247, 248, 266, 299, 304, 322, 364, 368, 403, 434, 437, 494, 496, 532, 589, 598, 644, 713, 728, 806, 868, 874, 988, 1064, 1178, 1196, 1288, 1426, 1456, 1612, 1729, 1736, 1748, 1976, 2093, 2128, 2356, 2392, 2576, 2821, 2852, 3059, 3224, 3458, 3472, 3496, 3952, 4123, 4186, 4712, 4784, 4991, 5642, 5681, 5704, 6118, 6448, 6916, 6992, 7657, 8246, 8372, 9269, 9424, 9982, 11284, 11362, 11408, 12236, 13547, 13832, 15314, 16492, 16744, 18538, 19964, 22568, 22724, 24472, 27094, 27664, 30628, 32984, 33488, 37076, 39767, 39928, 45136, 45448, 48944, 53599, 54188, 61256, 64883, 65968, 74152, 79534, 79856, 90896, 94829, 107198, 108376, 122512, 129766, 148304, 159068, 176111, 189658, 214396, 216752, 259532, 318136, 352222, 379316, 428792, 519064, 636272, 704444, 758632, 857584, 1038128, 1232777, 1408888, 1517264, 2465554, 2817776, 4931108, 9862216, 19724432]

約数ペア:

[(1, 19724432), (2, 9862216), (4, 4931108), (7, 2817776), (8, 2465554), (13, 1517264), (14, 1408888), (16, 1232777), (19, 1038128), (23, 857584), (26, 758632), (28, 704444), (31, 636272), (38, 519064), (46, 428792), (52, 379316), (56, 352222), (62, 318136), (76, 259532), (91, 216752), (92, 214396), (104, 189658), (112, 176111), (124, 159068), (133, 148304), (152, 129766), (161, 122512), (182, 108376), (184, 107198), (208, 94829), (217, 90896), (247, 79856), (248, 79534), (266, 74152), (299, 65968), (304, 64883), (322, 61256), (364, 54188), (368, 53599), (403, 48944), (434, 45448), (437, 45136), (494, 39928), (496, 39767), (532, 37076), (589, 33488), (598, 32984), (644, 30628), (713, 27664), (728, 27094), (806, 24472), (868, 22724), (874, 22568), (988, 19964), (1064, 18538), (1178, 16744), (1196, 16492), (1288, 15314), (1426, 13832), (1456, 13547), (1612, 12236), (1729, 11408), (1736, 11362), (1748, 11284), (1976, 9982), (2093, 9424), (2128, 9269), (2356, 8372), (2392, 8246), (2576, 7657), (2821, 6992), (2852, 6916), (3059, 6448), (3224, 6118), (3458, 5704), (3472, 5681), (3496, 5642), (3952, 4991), (4123, 4784), (4186, 4712)]