19874894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14423}}^1$

素因数の和:14491

約数の個数: 16

約数和(自身を含む): 32713632

約数和(自身を除く): 12838738

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14423, 28846, 187499, 374998, 764419, 1528838, 9937447, 19874894]

約数ペア:

[(1, 19874894), (2, 9937447), (13, 1528838), (26, 764419), (53, 374998), (106, 187499), (689, 28846), (1378, 14423)]