19863734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1621}}^1$

素因数の和:2191

約数の個数: 16

約数和(自身を含む): 32582736

約数和(自身を除く): 12719002

約数列:

[1, 2, 11, 22, 557, 1114, 1621, 3242, 6127, 12254, 17831, 35662, 902897, 1805794, 9931867, 19863734]

約数ペア:

[(1, 19863734), (2, 9931867), (11, 1805794), (22, 902897), (557, 35662), (1114, 17831), (1621, 12254), (3242, 6127)]