19530441

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2441}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 32507904

約数和(自身を除く): 12977463

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2441, 2667, 7323, 8001, 17087, 21969, 51261, 153783, 310007, 930021, 2170049, 2790063, 6510147, 19530441]

約数ペア:

[(1, 19530441), (3, 6510147), (7, 2790063), (9, 2170049), (21, 930021), (63, 310007), (127, 153783), (381, 51261), (889, 21969), (1143, 17087), (2441, 8001), (2667, 7323)]