18340623

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9391}}^1$

素因数の和:9435

約数の個数: 24

約数和(自身を含む): 31256576

約数和(自身を除く): 12915953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9391, 28173, 65737, 84519, 197211, 291121, 591633, 873363, 2037847, 2620089, 6113541, 18340623]

約数ペア:

[(1, 18340623), (3, 6113541), (7, 2620089), (9, 2037847), (21, 873363), (31, 591633), (63, 291121), (93, 197211), (217, 84519), (279, 65737), (651, 28173), (1953, 9391)]