19988632

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47143}}^1$

素因数の和:47202

約数の個数: 16

約数和(自身を含む): 38186640

約数和(自身を除く): 18198008

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47143, 94286, 188572, 377144, 2498579, 4997158, 9994316, 19988632]

約数ペア:

[(1, 19988632), (2, 9994316), (4, 4997158), (8, 2498579), (53, 377144), (106, 188572), (212, 94286), (424, 47143)]