18027260

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1601}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 37948176

約数和(自身を除く): 19920916

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1601, 2252, 2815, 3202, 5630, 6404, 8005, 11260, 16010, 32020, 901363, 1802726, 3605452, 4506815, 9013630, 18027260]

約数ペア:

[(1, 18027260), (2, 9013630), (4, 4506815), (5, 3605452), (10, 1802726), (20, 901363), (563, 32020), (1126, 16010), (1601, 11260), (2252, 8005), (2815, 6404), (3202, 5630)]