18896213

素因数分解:

$7^3\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 22320000

約数和(自身を除く): 3423787

約数列:

[1, 7, 49, 89, 343, 619, 623, 4333, 4361, 30331, 30527, 55091, 212317, 385637, 2699459, 18896213]

約数ペア:

[(1, 18896213), (7, 2699459), (49, 385637), (89, 212317), (343, 55091), (619, 30527), (623, 30331), (4333, 4361)]