19862198

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:799

約数の個数: 16

約数和(自身を含む): 30294000

約数和(自身を除く): 10431802

約数列:

[1, 2, 109, 179, 218, 358, 509, 1018, 19511, 39022, 55481, 91111, 110962, 182222, 9931099, 19862198]

約数ペア:

[(1, 19862198), (2, 9931099), (109, 182222), (179, 110962), (218, 91111), (358, 55481), (509, 39022), (1018, 19511)]