18874955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3037}}^1$

素因数の和:3166

約数の個数: 16

約数和(自身を含む): 24935904

約数和(自身を除く): 6060949

約数列:

[1, 5, 11, 55, 113, 565, 1243, 3037, 6215, 15185, 33407, 167035, 343181, 1715905, 3774991, 18874955]

約数ペア:

[(1, 18874955), (5, 3774991), (11, 1715905), (55, 343181), (113, 167035), (565, 33407), (1243, 15185), (3037, 6215)]