19678642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4751}}^1$

素因数の和:4881

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 11684558

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4751, 9502, 90269, 180538, 517859, 1035718, 9839321, 19678642]

約数ペア:

[(1, 19678642), (2, 9839321), (19, 1035718), (38, 517859), (109, 180538), (218, 90269), (2071, 9502), (4142, 4751)]