18745940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4093}}^1$

素因数の和:4331

約数の個数: 24

約数和(自身を含む): 39548040

約数和(自身を除く): 20802100

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4093, 4580, 8186, 16372, 20465, 40930, 81860, 937297, 1874594, 3749188, 4686485, 9372970, 18745940]

約数ペア:

[(1, 18745940), (2, 9372970), (4, 4686485), (5, 3749188), (10, 1874594), (20, 937297), (229, 81860), (458, 40930), (916, 20465), (1145, 16372), (2290, 8186), (4093, 4580)]