18880404710

素因数分解:

$2^1\times 5^1\times {\mathrm{4219}}^1\times {\mathrm{447509}}^1$

素因数の和:451735

約数の個数: 16

約数和(自身を含む): 33992859600

約数和(自身を除く): 15112454890

約数列:

[1, 2, 5, 10, 4219, 8438, 21095, 42190, 447509, 895018, 2237545, 4475090, 1888040471, 3776080942, 9440202355, 18880404710]

約数ペア:

[(1, 18880404710), (2, 9440202355), (5, 3776080942), (10, 1888040471), (4219, 4475090), (8438, 2237545), (21095, 895018), (42190, 447509)]