19966796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4957}}^1$

素因数の和:5033

約数の個数: 24

約数和(自身を含む): 37482480

約数和(自身を除く): 17515684

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4957, 9914, 19828, 94183, 188366, 262721, 376732, 525442, 1050884, 4991699, 9983398, 19966796]

約数ペア:

[(1, 19966796), (2, 9983398), (4, 4991699), (19, 1050884), (38, 525442), (53, 376732), (76, 262721), (106, 188366), (212, 94183), (1007, 19828), (2014, 9914), (4028, 4957)]