19180990

素因数分解:

$2^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3371}}^1$

素因数の和:3947

約数の個数: 16

約数和(自身を含む): 34596720

約数和(自身を除く): 15415730

約数列:

[1, 2, 5, 10, 569, 1138, 2845, 3371, 5690, 6742, 16855, 33710, 1918099, 3836198, 9590495, 19180990]

約数ペア:

[(1, 19180990), (2, 9590495), (5, 3836198), (10, 1918099), (569, 33710), (1138, 16855), (2845, 6742), (3371, 5690)]