18875214

素因数分解:

$2^1\times 3^3\times {\mathrm{431}}^1\times {\mathrm{811}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 23218866

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 431, 811, 862, 1293, 1622, 2433, 2586, 3879, 4866, 7299, 7758, 11637, 14598, 21897, 23274, 43794, 349541, 699082, 1048623, 2097246, 3145869, 6291738, 9437607, 18875214]

約数ペア:

[(1, 18875214), (2, 9437607), (3, 6291738), (6, 3145869), (9, 2097246), (18, 1048623), (27, 699082), (54, 349541), (431, 43794), (811, 23274), (862, 21897), (1293, 14598), (1622, 11637), (2433, 7758), (2586, 7299), (3879, 4866)]