189145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 262080

約数和(自身を除く): 72935

約数列:

[1, 5, 11, 19, 55, 95, 181, 209, 905, 1045, 1991, 3439, 9955, 17195, 37829, 189145]

約数ペア:

[(1, 189145), (5, 37829), (11, 17195), (19, 9955), (55, 3439), (95, 1991), (181, 1045), (209, 905)]