19681010478

素因数分解:

$2^1\times 3^4\times {\mathrm{121487719}}^1$

素因数の和:121487733

約数の個数: 20

約数和(自身を含む): 44100042360

約数和(自身を除く): 24419031882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121487719, 242975438, 364463157, 728926314, 1093389471, 2186778942, 3280168413, 6560336826, 9840505239, 19681010478]

約数ペア:

[(1, 19681010478), (2, 9840505239), (3, 6560336826), (6, 3280168413), (9, 2186778942), (18, 1093389471), (27, 728926314), (54, 364463157), (81, 242975438), (162, 121487719)]