19708624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4987}}^1$

素因数の和:5027

約数の個数: 40

約数和(自身を含む): 43295840

約数和(自身を除く): 23587216

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4987, 9974, 19948, 39896, 64831, 79792, 94753, 129662, 189506, 259324, 379012, 518648, 758024, 1037296, 1231789, 1516048, 2463578, 4927156, 9854312, 19708624]

約数ペア:

[(1, 19708624), (2, 9854312), (4, 4927156), (8, 2463578), (13, 1516048), (16, 1231789), (19, 1037296), (26, 758024), (38, 518648), (52, 379012), (76, 259324), (104, 189506), (152, 129662), (208, 94753), (247, 79792), (304, 64831), (494, 39896), (988, 19948), (1976, 9974), (3952, 4987)]