19915696792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4691}}^1$

素因数の和:4817

約数の個数: 128

約数和(自身を含む): 43781990400

約数和(自身を除く): 23866293608

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 53, 62, 68, 76, 106, 124, 136, 152, 212, 248, 323, 424, 527, 589, 646, 901, 1007, 1054, 1178, 1292, 1643, 1802, 2014, 2108, 2356, 2584, 3286, 3604, 4028, 4216, 4691, 4712, 6572, 7208, 8056, 9382, 10013, 13144, 17119, 18764, 20026, 27931, 31217, 34238, 37528, 40052, 55862, 62434, 68476, 79747, 80104, 89129, 111724, 124868, 136952, 145421, 159494, 178258, 223448, 248623, 249736, 290842, 318988, 356516, 497246, 530689, 581684, 637976, 713032, 994492, 1061378, 1163368, 1515193, 1988984, 2122756, 2472157, 2762999, 3030386, 4226591, 4245512, 4723837, 4944314, 5525998, 6060772, 7707313, 8453182, 9447674, 9888628, 11051996, 12121544, 15414626, 16906364, 18895348, 19777256, 22103992, 30829252, 33812728, 37790696, 46970983, 61658504, 80305229, 93941966, 131024321, 146438947, 160610458, 187883932, 262048642, 292877894, 321220916, 375767864, 524097284, 585755788, 642441832, 1048194568, 1171511576, 2489462099, 4978924198, 9957848396, 19915696792]

約数ペア:

[(1, 19915696792), (2, 9957848396), (4, 4978924198), (8, 2489462099), (17, 1171511576), (19, 1048194568), (31, 642441832), (34, 585755788), (38, 524097284), (53, 375767864), (62, 321220916), (68, 292877894), (76, 262048642), (106, 187883932), (124, 160610458), (136, 146438947), (152, 131024321), (212, 93941966), (248, 80305229), (323, 61658504), (424, 46970983), (527, 37790696), (589, 33812728), (646, 30829252), (901, 22103992), (1007, 19777256), (1054, 18895348), (1178, 16906364), (1292, 15414626), (1643, 12121544), (1802, 11051996), (2014, 9888628), (2108, 9447674), (2356, 8453182), (2584, 7707313), (3286, 6060772), (3604, 5525998), (4028, 4944314), (4216, 4723837), (4691, 4245512), (4712, 4226591), (6572, 3030386), (7208, 2762999), (8056, 2472157), (9382, 2122756), (10013, 1988984), (13144, 1515193), (17119, 1163368), (18764, 1061378), (20026, 994492), (27931, 713032), (31217, 637976), (34238, 581684), (37528, 530689), (40052, 497246), (55862, 356516), (62434, 318988), (68476, 290842), (79747, 249736), (80104, 248623), (89129, 223448), (111724, 178258), (124868, 159494), (136952, 145421)]