19907629

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{967}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 24254208

約数和(自身を除く): 4346579

約数列:

[1, 7, 17, 119, 173, 967, 1211, 2941, 6769, 16439, 20587, 115073, 167291, 1171037, 2843947, 19907629]

約数ペア:

[(1, 19907629), (7, 2843947), (17, 1171037), (119, 167291), (173, 115073), (967, 20587), (1211, 16439), (2941, 6769)]