19510090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27479}}^1$

素因数の和:27557

約数の個数: 16

約数和(自身を含む): 35614080

約数和(自身を除く): 16103990

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27479, 54958, 137395, 274790, 1951009, 3902018, 9755045, 19510090]

約数ペア:

[(1, 19510090), (2, 9755045), (5, 3902018), (10, 1951009), (71, 274790), (142, 137395), (355, 54958), (710, 27479)]