19837940

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3169}}^1$

素因数の和:3491

約数の個数: 24

約数和(自身を含む): 41805960

約数和(自身を除く): 21968020

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3169, 6260, 6338, 12676, 15845, 31690, 63380, 991897, 1983794, 3967588, 4959485, 9918970, 19837940]

約数ペア:

[(1, 19837940), (2, 9918970), (4, 4959485), (5, 3967588), (10, 1983794), (20, 991897), (313, 63380), (626, 31690), (1252, 15845), (1565, 12676), (3130, 6338), (3169, 6260)]