18384940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131321}}^1$

素因数の和:131337

約数の個数: 24

約数和(自身を含む): 44124192

約数和(自身を除く): 25739252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131321, 262642, 525284, 656605, 919247, 1313210, 1838494, 2626420, 3676988, 4596235, 9192470, 18384940]

約数ペア:

[(1, 18384940), (2, 9192470), (4, 4596235), (5, 3676988), (7, 2626420), (10, 1838494), (14, 1313210), (20, 919247), (28, 656605), (35, 525284), (70, 262642), (140, 131321)]