18318688

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13313}}^1$

素因数の和:13366

約数の個数: 24

約数和(自身を含む): 36906408

約数和(自身を除く): 18587720

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13313, 26626, 53252, 106504, 213008, 426016, 572459, 1144918, 2289836, 4579672, 9159344, 18318688]

約数ペア:

[(1, 18318688), (2, 9159344), (4, 4579672), (8, 2289836), (16, 1144918), (32, 572459), (43, 426016), (86, 213008), (172, 106504), (344, 53252), (688, 26626), (1376, 13313)]