19886022

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4999}}^1$

素因数の和:5037

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 29253978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4999, 9998, 14997, 29994, 44991, 64987, 84983, 89982, 129974, 169966, 194961, 254949, 389922, 509898, 584883, 764847, 1104779, 1169766, 1529694, 2209558, 3314337, 6628674, 9943011, 19886022]

約数ペア:

[(1, 19886022), (2, 9943011), (3, 6628674), (6, 3314337), (9, 2209558), (13, 1529694), (17, 1169766), (18, 1104779), (26, 764847), (34, 584883), (39, 509898), (51, 389922), (78, 254949), (102, 194961), (117, 169966), (153, 129974), (221, 89982), (234, 84983), (306, 64987), (442, 44991), (663, 29994), (1326, 14997), (1989, 9998), (3978, 4999)]