19402922

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18518038

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 77, 82, 98, 154, 287, 439, 451, 539, 574, 878, 902, 1078, 2009, 3073, 3157, 4018, 4829, 6146, 6314, 9658, 17999, 21511, 22099, 33803, 35998, 43022, 44198, 67606, 125993, 197989, 236621, 251986, 395978, 473242, 881951, 1385923, 1763902, 2771846, 9701461, 19402922]

約数ペア:

[(1, 19402922), (2, 9701461), (7, 2771846), (11, 1763902), (14, 1385923), (22, 881951), (41, 473242), (49, 395978), (77, 251986), (82, 236621), (98, 197989), (154, 125993), (287, 67606), (439, 44198), (451, 43022), (539, 35998), (574, 33803), (878, 22099), (902, 21511), (1078, 17999), (2009, 9658), (3073, 6314), (3157, 6146), (4018, 4829)]