19989172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23029}}^1$

素因数の和:23071

約数の個数: 24

約数和(自身を含む): 41269760

約数和(自身を除く): 21280588

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23029, 46058, 92116, 161203, 322406, 644812, 713899, 1427798, 2855596, 4997293, 9994586, 19989172]

約数ペア:

[(1, 19989172), (2, 9994586), (4, 4997293), (7, 2855596), (14, 1427798), (28, 713899), (31, 644812), (62, 322406), (124, 161203), (217, 92116), (434, 46058), (868, 23029)]