19221905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2833}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 24485760

約数和(自身を除く): 5263855

約数列:

[1, 5, 23, 59, 115, 295, 1357, 2833, 6785, 14165, 65159, 167147, 325795, 835735, 3844381, 19221905]

約数ペア:

[(1, 19221905), (5, 3844381), (23, 835735), (59, 325795), (115, 167147), (295, 65159), (1357, 14165), (2833, 6785)]