18263780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53717}}^1$

素因数の和:53743

約数の個数: 24

約数和(自身を含む): 40610808

約数和(自身を除く): 22347028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53717, 107434, 214868, 268585, 537170, 913189, 1074340, 1826378, 3652756, 4565945, 9131890, 18263780]

約数ペア:

[(1, 18263780), (2, 9131890), (4, 4565945), (5, 3652756), (10, 1826378), (17, 1074340), (20, 913189), (34, 537170), (68, 268585), (85, 214868), (170, 107434), (340, 53717)]