19943935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3209}}^1$

素因数の和:3338

約数の個数: 16

約数和(自身を含む): 26347680

約数和(自身を除く): 6403745

約数列:

[1, 5, 11, 55, 113, 565, 1243, 3209, 6215, 16045, 35299, 176495, 362617, 1813085, 3988787, 19943935]

約数ペア:

[(1, 19943935), (5, 3988787), (11, 1813085), (55, 362617), (113, 176495), (565, 35299), (1243, 16045), (3209, 6215)]