18021460

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2081}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 37950696

約数和(自身を除く): 19929236

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2081, 2165, 4162, 4330, 8324, 8660, 10405, 20810, 41620, 901073, 1802146, 3604292, 4505365, 9010730, 18021460]

約数ペア:

[(1, 18021460), (2, 9010730), (4, 4505365), (5, 3604292), (10, 1802146), (20, 901073), (433, 41620), (866, 20810), (1732, 10405), (2081, 8660), (2165, 8324), (4162, 4330)]