20180390964

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{181081}}^1$

素因数の和:181376

約数の個数: 48

約数和(自身を含む): 48553154496

約数和(自身を除く): 28372763532

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 251, 444, 502, 753, 1004, 1506, 3012, 9287, 18574, 27861, 37148, 55722, 111444, 181081, 362162, 543243, 724324, 1086486, 2172972, 6699997, 13399994, 20099991, 26799988, 40199982, 45451331, 80399964, 90902662, 136353993, 181805324, 272707986, 545415972, 1681699247, 3363398494, 5045097741, 6726796988, 10090195482, 20180390964]

約数ペア:

[(1, 20180390964), (2, 10090195482), (3, 6726796988), (4, 5045097741), (6, 3363398494), (12, 1681699247), (37, 545415972), (74, 272707986), (111, 181805324), (148, 136353993), (222, 90902662), (251, 80399964), (444, 45451331), (502, 40199982), (753, 26799988), (1004, 20099991), (1506, 13399994), (3012, 6699997), (9287, 2172972), (18574, 1086486), (27861, 724324), (37148, 543243), (55722, 362162), (111444, 181081)]