19988264

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31627}}^1$

素因数の和:31712

約数の個数: 16

約数和(自身を含む): 37953600

約数和(自身を除く): 17965336

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31627, 63254, 126508, 253016, 2498533, 4997066, 9994132, 19988264]

約数ペア:

[(1, 19988264), (2, 9994132), (4, 4997066), (8, 2498533), (79, 253016), (158, 126508), (316, 63254), (632, 31627)]