19380595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17539}}^1$

素因数の和:17574

約数の個数: 16

約数和(自身を含む): 26520480

約数和(自身を除く): 7139885

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17539, 87695, 228007, 298163, 1140035, 1490815, 3876119, 19380595]

約数ペア:

[(1, 19380595), (5, 3876119), (13, 1490815), (17, 1140035), (65, 298163), (85, 228007), (221, 87695), (1105, 17539)]