18895538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1433}}^1$

素因数の和:1801

約数の個数: 16

約数和(自身を含む): 29941920

約数和(自身を除く): 11046382

約数列:

[1, 2, 19, 38, 347, 694, 1433, 2866, 6593, 13186, 27227, 54454, 497251, 994502, 9447769, 18895538]

約数ペア:

[(1, 18895538), (2, 9447769), (19, 994502), (38, 497251), (347, 54454), (694, 27227), (1433, 13186), (2866, 6593)]