18617284

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1181}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 37332288

約数和(自身を除く): 18715004

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 1181, 2252, 2362, 3941, 4724, 7882, 8267, 15764, 16534, 33068, 664903, 1329806, 2659612, 4654321, 9308642, 18617284]

約数ペア:

[(1, 18617284), (2, 9308642), (4, 4654321), (7, 2659612), (14, 1329806), (28, 664903), (563, 33068), (1126, 16534), (1181, 15764), (2252, 8267), (2362, 7882), (3941, 4724)]