19950290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28099}}^1$

素因数の和:28177

約数の個数: 16

約数和(自身を含む): 36417600

約数和(自身を除く): 16467310

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28099, 56198, 140495, 280990, 1995029, 3990058, 9975145, 19950290]

約数ペア:

[(1, 19950290), (2, 9975145), (5, 3990058), (10, 1995029), (71, 280990), (142, 140495), (355, 56198), (710, 28099)]