19775588

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6857}}^1$

素因数の和:6971

約数の個数: 24

約数和(自身を含む): 39940992

約数和(自身を除く): 20165404

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 6857, 13714, 27428, 47999, 95998, 191996, 706271, 1412542, 2825084, 4943897, 9887794, 19775588]

約数ペア:

[(1, 19775588), (2, 9887794), (4, 4943897), (7, 2825084), (14, 1412542), (28, 706271), (103, 191996), (206, 95998), (412, 47999), (721, 27428), (1442, 13714), (2884, 6857)]