19364180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88019}}^1$

素因数の和:88039

約数の個数: 24

約数和(自身を含む): 44362080

約数和(自身を除く): 24997900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88019, 176038, 352076, 440095, 880190, 968209, 1760380, 1936418, 3872836, 4841045, 9682090, 19364180]

約数ペア:

[(1, 19364180), (2, 9682090), (4, 4841045), (5, 3872836), (10, 1936418), (11, 1760380), (20, 968209), (22, 880190), (44, 440095), (55, 352076), (110, 176038), (220, 88019)]