18922420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86011}}^1$

素因数の和:86031

約数の個数: 24

約数和(自身を含む): 43350048

約数和(自身を除く): 24427628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86011, 172022, 344044, 430055, 860110, 946121, 1720220, 1892242, 3784484, 4730605, 9461210, 18922420]

約数ペア:

[(1, 18922420), (2, 9461210), (4, 4730605), (5, 3784484), (10, 1892242), (11, 1720220), (20, 946121), (22, 860110), (44, 430055), (55, 344044), (110, 172022), (220, 86011)]