19410903

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 29236896

約数和(自身を除く): 9825993

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 821, 2463, 2627, 7389, 7881, 23643, 30377, 58291, 91131, 174873, 273393, 524619, 2156767, 6470301, 19410903]

約数ペア:

[(1, 19410903), (3, 6470301), (9, 2156767), (37, 524619), (71, 273393), (111, 174873), (213, 91131), (333, 58291), (639, 30377), (821, 23643), (2463, 7881), (2627, 7389)]