18879610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26591}}^1$

素因数の和:26669

約数の個数: 16

約数和(自身を含む): 34463232

約数和(自身を除く): 15583622

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26591, 53182, 132955, 265910, 1887961, 3775922, 9439805, 18879610]

約数ペア:

[(1, 18879610), (2, 9439805), (5, 3775922), (10, 1887961), (71, 265910), (142, 132955), (355, 53182), (710, 26591)]