19659927

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7039}}^1$

素因数の和:7075

約数の個数: 24

約数和(自身を含む): 32102400

約数和(自身を除く): 12442473

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7039, 21117, 49273, 133741, 147819, 344911, 401223, 936187, 1034733, 2808561, 6553309, 19659927]

約数ペア:

[(1, 19659927), (3, 6553309), (7, 2808561), (19, 1034733), (21, 936187), (49, 401223), (57, 344911), (133, 147819), (147, 133741), (399, 49273), (931, 21117), (2793, 7039)]