18125420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9343}}^1$

素因数の和:9449

約数の個数: 24

約数和(自身を含む): 38459904

約数和(自身を除く): 20334484

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9343, 18686, 37372, 46715, 93430, 186860, 906271, 1812542, 3625084, 4531355, 9062710, 18125420]

約数ペア:

[(1, 18125420), (2, 9062710), (4, 4531355), (5, 3625084), (10, 1812542), (20, 906271), (97, 186860), (194, 93430), (388, 46715), (485, 37372), (970, 18686), (1940, 9343)]