19973118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8179}}^1$

素因数の和:8232

約数の個数: 32

約数和(自身を含む): 44760960

約数和(自身を除く): 24787842

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8179, 16358, 24537, 49074, 89969, 179938, 269907, 302623, 539814, 605246, 907869, 1815738, 3328853, 6657706, 9986559, 19973118]

約数ペア:

[(1, 19973118), (2, 9986559), (3, 6657706), (6, 3328853), (11, 1815738), (22, 907869), (33, 605246), (37, 539814), (66, 302623), (74, 269907), (111, 179938), (222, 89969), (407, 49074), (814, 24537), (1221, 16358), (2442, 8179)]