18208784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{337}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 38726688

約数和(自身を除く): 20517904

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 307, 337, 614, 674, 1228, 1348, 2456, 2696, 3377, 3707, 4912, 5392, 6754, 7414, 13508, 14828, 27016, 29656, 54032, 59312, 103459, 206918, 413836, 827672, 1138049, 1655344, 2276098, 4552196, 9104392, 18208784]

約数ペア:

[(1, 18208784), (2, 9104392), (4, 4552196), (8, 2276098), (11, 1655344), (16, 1138049), (22, 827672), (44, 413836), (88, 206918), (176, 103459), (307, 59312), (337, 54032), (614, 29656), (674, 27016), (1228, 14828), (1348, 13508), (2456, 7414), (2696, 6754), (3377, 5392), (3707, 4912)]