20189593917

素因数分解:

$3^2\times {\mathrm{1171}}^1\times {\mathrm{1915703}}^1$

素因数の和:1916880

約数の個数: 12

約数和(自身を含む): 29187666144

約数和(自身を除く): 8998072227

約数列:

[1, 3, 9, 1171, 3513, 10539, 1915703, 5747109, 17241327, 2243288213, 6729864639, 20189593917]

約数ペア:

[(1, 20189593917), (3, 6729864639), (9, 2243288213), (1171, 17241327), (3513, 5747109), (10539, 1915703)]