18089522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 30927744

約数和(自身を除く): 12838222

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 313, 407, 626, 781, 814, 1562, 2627, 3443, 5254, 6886, 11581, 22223, 23162, 28897, 44446, 57794, 127391, 244453, 254782, 488906, 822251, 1644502, 9044761, 18089522]

約数ペア:

[(1, 18089522), (2, 9044761), (11, 1644502), (22, 822251), (37, 488906), (71, 254782), (74, 244453), (142, 127391), (313, 57794), (407, 44446), (626, 28897), (781, 23162), (814, 22223), (1562, 11581), (2627, 6886), (3443, 5254)]