19823504

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13921}}^1$

素因数の和:14018

約数の個数: 20

約数和(自身を含む): 38842380

約数和(自身を除く): 19018876

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13921, 27842, 55684, 111368, 222736, 1238969, 2477938, 4955876, 9911752, 19823504]

約数ペア:

[(1, 19823504), (2, 9911752), (4, 4955876), (8, 2477938), (16, 1238969), (89, 222736), (178, 111368), (356, 55684), (712, 27842), (1424, 13921)]