19988472

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 60739200

約数和(自身を除く): 40750728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 392, 483, 552, 588, 644, 739, 966, 1127, 1176, 1288, 1478, 1932, 2217, 2254, 2956, 3381, 3864, 4434, 4508, 5173, 5912, 6762, 8868, 9016, 10346, 13524, 15519, 16997, 17736, 20692, 27048, 31038, 33994, 36211, 41384, 50991, 62076, 67988, 72422, 101982, 108633, 118979, 124152, 135976, 144844, 203964, 217266, 237958, 289688, 356937, 407928, 434532, 475916, 713874, 832853, 869064, 951832, 1427748, 1665706, 2498559, 2855496, 3331412, 4997118, 6662824, 9994236, 19988472]

約数ペア:

[(1, 19988472), (2, 9994236), (3, 6662824), (4, 4997118), (6, 3331412), (7, 2855496), (8, 2498559), (12, 1665706), (14, 1427748), (21, 951832), (23, 869064), (24, 832853), (28, 713874), (42, 475916), (46, 434532), (49, 407928), (56, 356937), (69, 289688), (84, 237958), (92, 217266), (98, 203964), (138, 144844), (147, 135976), (161, 124152), (168, 118979), (184, 108633), (196, 101982), (276, 72422), (294, 67988), (322, 62076), (392, 50991), (483, 41384), (552, 36211), (588, 33994), (644, 31038), (739, 27048), (966, 20692), (1127, 17736), (1176, 16997), (1288, 15519), (1478, 13524), (1932, 10346), (2217, 9016), (2254, 8868), (2956, 6762), (3381, 5912), (3864, 5173), (4434, 4508)]