19968356

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 36624000

約数和(自身を除く): 16655644

約数列:

[1, 2, 4, 29, 58, 79, 116, 158, 316, 2179, 2291, 4358, 4582, 8716, 9164, 63191, 126382, 172141, 252764, 344282, 688564, 4992089, 9984178, 19968356]

約数ペア:

[(1, 19968356), (2, 9984178), (4, 4992089), (29, 688564), (58, 344282), (79, 252764), (116, 172141), (158, 126382), (316, 63191), (2179, 9164), (2291, 8716), (4358, 4582)]