19913210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18269}}^1$

素因数の和:18385

約数の個数: 16

約数和(自身を含む): 36174600

約数和(自身を除く): 16261390

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18269, 36538, 91345, 182690, 1991321, 3982642, 9956605, 19913210]

約数ペア:

[(1, 19913210), (2, 9956605), (5, 3982642), (10, 1991321), (109, 182690), (218, 91345), (545, 36538), (1090, 18269)]