18970972

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{26203}}^1$

素因数の和:26388

約数の個数: 12

約数和(自身を含む): 33383896

約数和(自身を除く): 14412924

約数列:

[1, 2, 4, 181, 362, 724, 26203, 52406, 104812, 4742743, 9485486, 18970972]

約数ペア:

[(1, 18970972), (2, 9485486), (4, 4742743), (181, 104812), (362, 52406), (724, 26203)]