18468791

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 20805120

約数和(自身を除く): 2336329

約数列:

[1, 11, 47, 139, 257, 517, 1529, 2827, 6533, 12079, 35723, 71863, 132869, 392953, 1678981, 18468791]

約数ペア:

[(1, 18468791), (11, 1678981), (47, 392953), (139, 132869), (257, 71863), (517, 35723), (1529, 12079), (2827, 6533)]