18490340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84047}}^1$

素因数の和:84067

約数の個数: 24

約数和(自身を含む): 42360192

約数和(自身を除く): 23869852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84047, 168094, 336188, 420235, 840470, 924517, 1680940, 1849034, 3698068, 4622585, 9245170, 18490340]

約数ペア:

[(1, 18490340), (2, 9245170), (4, 4622585), (5, 3698068), (10, 1849034), (11, 1680940), (20, 924517), (22, 840470), (44, 420235), (55, 336188), (110, 168094), (220, 84047)]