18135856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10399}}^1$

素因数の和:10516

約数の個数: 20

約数和(自身を含む): 35464000

約数和(自身を除く): 17328144

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10399, 20798, 41596, 83192, 166384, 1133491, 2266982, 4533964, 9067928, 18135856]

約数ペア:

[(1, 18135856), (2, 9067928), (4, 4533964), (8, 2266982), (16, 1133491), (109, 166384), (218, 83192), (436, 41596), (872, 20798), (1744, 10399)]