18507741

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 28946880

約数和(自身を除く): 10439139

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 919, 959, 2757, 2877, 6433, 6713, 19299, 20139, 45031, 125903, 135093, 377709, 881321, 2643963, 6169247, 18507741]

約数ペア:

[(1, 18507741), (3, 6169247), (7, 2643963), (21, 881321), (49, 377709), (137, 135093), (147, 125903), (411, 45031), (919, 20139), (959, 19299), (2757, 6713), (2877, 6433)]