19739193

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9001}}^1$

素因数の和:9064

約数の個数: 16

約数和(自身を含む): 28518336

約数和(自身を除く): 8779143

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9001, 27003, 153017, 387043, 459051, 1161129, 6579731, 19739193]

約数ペア:

[(1, 19739193), (3, 6579731), (17, 1161129), (43, 459051), (51, 387043), (129, 153017), (731, 27003), (2193, 9001)]