18451180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83869}}^1$

素因数の和:83889

約数の個数: 24

約数和(自身を含む): 42270480

約数和(自身を除く): 23819300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83869, 167738, 335476, 419345, 838690, 922559, 1677380, 1845118, 3690236, 4612795, 9225590, 18451180]

約数ペア:

[(1, 18451180), (2, 9225590), (4, 4612795), (5, 3690236), (10, 1845118), (11, 1677380), (20, 922559), (22, 838690), (44, 419345), (55, 335476), (110, 167738), (220, 83869)]