18695884

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 33960080

約数和(自身を除く): 15264196

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1489, 2978, 3139, 5956, 6278, 12556, 64027, 108697, 128054, 217394, 256108, 434788, 4673971, 9347942, 18695884]

約数ペア:

[(1, 18695884), (2, 9347942), (4, 4673971), (43, 434788), (73, 256108), (86, 217394), (146, 128054), (172, 108697), (292, 64027), (1489, 12556), (2978, 6278), (3139, 5956)]