18623408

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4327}}^1$

素因数の和:4604

約数の個数: 20

約数和(自身を含む): 36225360

約数和(自身を除く): 17601952

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4327, 8654, 17308, 34616, 69232, 1163963, 2327926, 4655852, 9311704, 18623408]

約数ペア:

[(1, 18623408), (2, 9311704), (4, 4655852), (8, 2327926), (16, 1163963), (269, 69232), (538, 34616), (1076, 17308), (2152, 8654), (4304, 4327)]