19489191

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8887}}^1$

素因数の和:8950

約数の個数: 16

約数和(自身を含む): 28157184

約数和(自身を除く): 8667993

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 8887, 26661, 151079, 382141, 453237, 1146423, 6496397, 19489191]

約数ペア:

[(1, 19489191), (3, 6496397), (17, 1146423), (43, 453237), (51, 382141), (129, 151079), (731, 26661), (2193, 8887)]