18889654

素因数分解:

$2^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1993}}^1$

素因数の和:2679

約数の個数: 16

約数和(自身を含む): 32446368

約数和(自身を除く): 13556714

約数列:

[1, 2, 7, 14, 677, 1354, 1993, 3986, 4739, 9478, 13951, 27902, 1349261, 2698522, 9444827, 18889654]

約数ペア:

[(1, 18889654), (2, 9444827), (7, 2698522), (14, 1349261), (677, 27902), (1354, 13951), (1993, 9478), (3986, 4739)]