18538882

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:633

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 9668990

約数列:

[1, 2, 197, 211, 223, 394, 422, 446, 41567, 43931, 47053, 83134, 87862, 94106, 9269441, 18538882]

約数ペア:

[(1, 18538882), (2, 9269441), (197, 94106), (211, 87862), (223, 83134), (394, 47053), (422, 43931), (446, 41567)]