18415940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48463}}^1$

素因数の和:48491

約数の個数: 24

約数和(自身を含む): 40709760

約数和(自身を除く): 22293820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48463, 96926, 193852, 242315, 484630, 920797, 969260, 1841594, 3683188, 4603985, 9207970, 18415940]

約数ペア:

[(1, 18415940), (2, 9207970), (4, 4603985), (5, 3683188), (10, 1841594), (19, 969260), (20, 920797), (38, 484630), (76, 242315), (95, 193852), (190, 96926), (380, 48463)]