19116688

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4649}}^1$

素因数の和:4914

約数の個数: 20

約数和(自身を含む): 37190700

約数和(自身を除く): 18074012

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4649, 9298, 18596, 37192, 74384, 1194793, 2389586, 4779172, 9558344, 19116688]

約数ペア:

[(1, 19116688), (2, 9558344), (4, 4779172), (8, 2389586), (16, 1194793), (257, 74384), (514, 37192), (1028, 18596), (2056, 9298), (4112, 4649)]