19394408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220391}}^1$

素因数の和:220408

約数の個数: 16

約数和(自身を含む): 39670560

約数和(自身を除く): 20276152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220391, 440782, 881564, 1763128, 2424301, 4848602, 9697204, 19394408]

約数ペア:

[(1, 19394408), (2, 9697204), (4, 4848602), (8, 2424301), (11, 1763128), (22, 881564), (44, 440782), (88, 220391)]