18391408

素因数分解:

$2^4\times 7^1\times {\mathrm{164209}}^1$

素因数の和:164224

約数の個数: 20

約数和(自身を含む): 40724080

約数和(自身を除く): 22332672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164209, 328418, 656836, 1149463, 1313672, 2298926, 2627344, 4597852, 9195704, 18391408]

約数ペア:

[(1, 18391408), (2, 9195704), (4, 4597852), (7, 2627344), (8, 2298926), (14, 1313672), (16, 1149463), (28, 656836), (56, 328418), (112, 164209)]