19216485

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9931}}^1$

素因数の和:9985

約数の個数: 24

約数和(自身を含む): 34086624

約数和(自身を除く): 14870139

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9931, 29793, 49655, 89379, 148965, 427033, 446895, 1281099, 2135165, 3843297, 6405495, 19216485]

約数ペア:

[(1, 19216485), (3, 6405495), (5, 3843297), (9, 2135165), (15, 1281099), (43, 446895), (45, 427033), (129, 148965), (215, 89379), (387, 49655), (645, 29793), (1935, 9931)]