18115384

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7523}}^1$

素因数の和:7579

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 21611336

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7523, 15046, 30092, 52661, 60184, 105322, 210644, 323489, 421288, 646978, 1293956, 2264423, 2587912, 4528846, 9057692, 18115384]

約数ペア:

[(1, 18115384), (2, 9057692), (4, 4528846), (7, 2587912), (8, 2264423), (14, 1293956), (28, 646978), (43, 421288), (56, 323489), (86, 210644), (172, 105322), (301, 60184), (344, 52661), (602, 30092), (1204, 15046), (2408, 7523)]