1780642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 2874240

約数和(自身を除く): 1093598

約数列:

[1, 2, 19, 38, 47, 94, 893, 997, 1786, 1994, 18943, 37886, 46859, 93718, 890321, 1780642]

約数ペア:

[(1, 1780642), (2, 890321), (19, 93718), (38, 46859), (47, 37886), (94, 18943), (893, 1994), (997, 1786)]