19926710

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20543}}^1$

素因数の和:20647

約数の個数: 16

約数和(自身を含む): 36239616

約数和(自身を除く): 16312906

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20543, 41086, 102715, 205430, 1992671, 3985342, 9963355, 19926710]

約数ペア:

[(1, 19926710), (2, 9963355), (5, 3985342), (10, 1992671), (97, 205430), (194, 102715), (485, 41086), (970, 20543)]