19697061

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 28067104

約数和(自身を除く): 8370043

約数列:

[1, 3, 29, 37, 87, 111, 211, 633, 841, 1073, 2523, 3219, 6119, 7807, 18357, 23421, 31117, 93351, 177451, 226403, 532353, 679209, 6565687, 19697061]

約数ペア:

[(1, 19697061), (3, 6565687), (29, 679209), (37, 532353), (87, 226403), (111, 177451), (211, 93351), (633, 31117), (841, 23421), (1073, 18357), (2523, 7807), (3219, 6119)]