18881546

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 28803168

約数和(自身を除く): 9921622

約数列:

[1, 2, 101, 202, 211, 422, 443, 886, 21311, 42622, 44743, 89486, 93473, 186946, 9440773, 18881546]

約数ペア:

[(1, 18881546), (2, 9440773), (101, 186946), (202, 93473), (211, 89486), (422, 44743), (443, 42622), (886, 21311)]