19499128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{221581}}^1$

素因数の和:221598

約数の個数: 16

約数和(自身を含む): 39884760

約数和(自身を除く): 20385632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 221581, 443162, 886324, 1772648, 2437391, 4874782, 9749564, 19499128]

約数ペア:

[(1, 19499128), (2, 9749564), (4, 4874782), (8, 2437391), (11, 1772648), (22, 886324), (44, 443162), (88, 221581)]