19897154

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:949

約数の個数: 16

約数和(自身を含む): 30553848

約数和(自身を除く): 10656694

約数列:

[1, 2, 53, 106, 337, 557, 674, 1114, 17861, 29521, 35722, 59042, 187709, 375418, 9948577, 19897154]

約数ペア:

[(1, 19897154), (2, 9948577), (53, 375418), (106, 187709), (337, 59042), (557, 35722), (674, 29521), (1114, 17861)]