18642838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3863}}^1$

素因数の和:4011

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 11032682

約数列:

[1, 2, 19, 38, 127, 254, 2413, 3863, 4826, 7726, 73397, 146794, 490601, 981202, 9321419, 18642838]

約数ペア:

[(1, 18642838), (2, 9321419), (19, 981202), (38, 490601), (127, 146794), (254, 73397), (2413, 7726), (3863, 4826)]