18015914

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 32918400

約数和(自身を除く): 14902486

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 761, 1246, 1522, 1691, 3382, 5327, 10654, 11837, 14459, 23674, 28918, 67729, 101213, 135458, 202426, 474103, 948206, 1286851, 2573702, 9007957, 18015914]

約数ペア:

[(1, 18015914), (2, 9007957), (7, 2573702), (14, 1286851), (19, 948206), (38, 474103), (89, 202426), (133, 135458), (178, 101213), (266, 67729), (623, 28918), (761, 23674), (1246, 14459), (1522, 11837), (1691, 10654), (3382, 5327)]