18608620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4723}}^1$

素因数の和:4929

約数の個数: 24

約数和(自身を含む): 39284784

約数和(自身を除く): 20676164

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4723, 9446, 18892, 23615, 47230, 94460, 930431, 1860862, 3721724, 4652155, 9304310, 18608620]

約数ペア:

[(1, 18608620), (2, 9304310), (4, 4652155), (5, 3721724), (10, 1860862), (20, 930431), (197, 94460), (394, 47230), (788, 23615), (985, 18892), (1970, 9446), (3940, 4723)]