20186398

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 24

約数和(自身を含む): 32479488

約数和(自身を除く): 12293090

約数列:

[1, 2, 19, 38, 73, 146, 361, 383, 722, 766, 1387, 2774, 7277, 14554, 26353, 27959, 52706, 55918, 138263, 276526, 531221, 1062442, 10093199, 20186398]

約数ペア:

[(1, 20186398), (2, 10093199), (19, 1062442), (38, 531221), (73, 276526), (146, 138263), (361, 55918), (383, 52706), (722, 27959), (766, 26353), (1387, 14554), (2774, 7277)]