19807962175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{300007}}^1$

素因数の和:300175

約数の個数: 24

約数和(自身を含む): 26040694400

約数和(自身を除く): 6232732225

約数列:

[1, 5, 19, 25, 95, 139, 475, 695, 2641, 3475, 13205, 66025, 300007, 1500035, 5700133, 7500175, 28500665, 41700973, 142503325, 208504865, 792318487, 1042524325, 3961592435, 19807962175]

約数ペア:

[(1, 19807962175), (5, 3961592435), (19, 1042524325), (25, 792318487), (95, 208504865), (139, 142503325), (475, 41700973), (695, 28500665), (2641, 7500175), (3475, 5700133), (13205, 1500035), (66025, 300007)]