18830905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 23696640

約数和(自身を除く): 4865735

約数列:

[1, 5, 23, 115, 373, 439, 1865, 2195, 8579, 10097, 42895, 50485, 163747, 818735, 3766181, 18830905]

約数ペア:

[(1, 18830905), (5, 3766181), (23, 818735), (115, 163747), (373, 50485), (439, 42895), (1865, 10097), (2195, 8579)]