18427820

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1973}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 38800944

約数和(自身を除く): 20373124

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 1973, 2335, 3946, 4670, 7892, 9340, 9865, 19730, 39460, 921391, 1842782, 3685564, 4606955, 9213910, 18427820]

約数ペア:

[(1, 18427820), (2, 9213910), (4, 4606955), (5, 3685564), (10, 1842782), (20, 921391), (467, 39460), (934, 19730), (1868, 9865), (1973, 9340), (2335, 7892), (3946, 4670)]