18704620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85021}}^1$

素因数の和:85041

約数の個数: 24

約数和(自身を含む): 42851088

約数和(自身を除く): 24146468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85021, 170042, 340084, 425105, 850210, 935231, 1700420, 1870462, 3740924, 4676155, 9352310, 18704620]

約数ペア:

[(1, 18704620), (2, 9352310), (4, 4676155), (5, 3740924), (10, 1870462), (11, 1700420), (20, 935231), (22, 850210), (44, 425105), (55, 340084), (110, 170042), (220, 85021)]