18540148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 35580384

約数和(自身を除く): 17040236

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 1997, 2321, 3994, 4642, 7988, 9284, 21967, 43934, 87868, 421367, 842734, 1685468, 4635037, 9270074, 18540148]

約数ペア:

[(1, 18540148), (2, 9270074), (4, 4635037), (11, 1685468), (22, 842734), (44, 421367), (211, 87868), (422, 43934), (844, 21967), (1997, 9284), (2321, 7988), (3994, 4642)]