12201819

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 19975680

約数和(自身を除く): 7773861

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 577, 1007, 1113, 1731, 3021, 4039, 7049, 10963, 12117, 21147, 30581, 32889, 76741, 91743, 214067, 230223, 581039, 642201, 1743117, 4067273, 12201819]

約数ペア:

[(1, 12201819), (3, 4067273), (7, 1743117), (19, 642201), (21, 581039), (53, 230223), (57, 214067), (133, 91743), (159, 76741), (371, 32889), (399, 30581), (577, 21147), (1007, 12117), (1113, 10963), (1731, 7049), (3021, 4039)]