19987074

素因数分解:

$2^1\times 3^4\times {\mathrm{123377}}^1$

素因数の和:123391

約数の個数: 20

約数和(自身を含む): 44786214

約数和(自身を除く): 24799140

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123377, 246754, 370131, 740262, 1110393, 2220786, 3331179, 6662358, 9993537, 19987074]

約数ペア:

[(1, 19987074), (2, 9993537), (3, 6662358), (6, 3331179), (9, 2220786), (18, 1110393), (27, 740262), (54, 370131), (81, 246754), (162, 123377)]