20138264578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{32687}}^1$

素因数の和:33262

約数の個数: 32

約数和(自身を含む): 32886743040

約数和(自身を除く): 12748478462

約数列:

[1, 2, 19, 31, 38, 62, 523, 589, 1046, 1178, 9937, 16213, 19874, 32426, 32687, 65374, 308047, 616094, 621053, 1013297, 1242106, 2026594, 17095301, 19252643, 34190602, 38505286, 324810719, 529954331, 649621438, 1059908662, 10069132289, 20138264578]

約数ペア:

[(1, 20138264578), (2, 10069132289), (19, 1059908662), (31, 649621438), (38, 529954331), (62, 324810719), (523, 38505286), (589, 34190602), (1046, 19252643), (1178, 17095301), (9937, 2026594), (16213, 1242106), (19874, 1013297), (32426, 621053), (32687, 616094), (65374, 308047)]