18999196

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 35068320

約数和(自身を除く): 16069124

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2129, 2231, 4258, 4462, 8516, 8924, 48967, 97934, 195868, 206513, 413026, 826052, 4749799, 9499598, 18999196]

約数ペア:

[(1, 18999196), (2, 9499598), (4, 4749799), (23, 826052), (46, 413026), (92, 206513), (97, 195868), (194, 97934), (388, 48967), (2129, 8924), (2231, 8516), (4258, 4462)]