19899130

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2269}}^1$

素因数の和:3153

約数の個数: 16

約数和(自身を含む): 35875080

約数和(自身を除く): 15975950

約数列:

[1, 2, 5, 10, 877, 1754, 2269, 4385, 4538, 8770, 11345, 22690, 1989913, 3979826, 9949565, 19899130]

約数ペア:

[(1, 19899130), (2, 9949565), (5, 3979826), (10, 1989913), (877, 22690), (1754, 11345), (2269, 8770), (4385, 4538)]