18880342

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:784

約数の個数: 24

約数和(自身を含む): 31082184

約数和(自身を除く): 12201842

約数列:

[1, 2, 13, 26, 83, 166, 169, 338, 673, 1079, 1346, 2158, 8749, 14027, 17498, 28054, 55859, 111718, 113737, 227474, 726167, 1452334, 9440171, 18880342]

約数ペア:

[(1, 18880342), (2, 9440171), (13, 1452334), (26, 726167), (83, 227474), (166, 113737), (169, 111718), (338, 55859), (673, 28054), (1079, 17498), (1346, 14027), (2158, 8749)]