18000760

素因数分解:

$2^3\times 5^1\times {\mathrm{450019}}^1$

素因数の和:450030

約数の個数: 16

約数和(自身を含む): 40501800

約数和(自身を除く): 22501040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450019, 900038, 1800076, 2250095, 3600152, 4500190, 9000380, 18000760]

約数ペア:

[(1, 18000760), (2, 9000380), (4, 4500190), (5, 3600152), (8, 2250095), (10, 1800076), (20, 900038), (40, 450019)]