18421816

素因数分解:

$2^3\times 7^1\times {\mathrm{328961}}^1$

素因数の和:328974

約数の個数: 16

約数和(自身を含む): 39475440

約数和(自身を除く): 21053624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 328961, 657922, 1315844, 2302727, 2631688, 4605454, 9210908, 18421816]

約数ペア:

[(1, 18421816), (2, 9210908), (4, 4605454), (7, 2631688), (8, 2302727), (14, 1315844), (28, 657922), (56, 328961)]