18989832976

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51602807}}^1$

素因数の和:51602838

約数の個数: 20

約数和(自身を含む): 38392489152

約数和(自身を除く): 19402656176

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51602807, 103205614, 206411228, 412822456, 825644912, 1186864561, 2373729122, 4747458244, 9494916488, 18989832976]

約数ペア:

[(1, 18989832976), (2, 9494916488), (4, 4747458244), (8, 2373729122), (16, 1186864561), (23, 825644912), (46, 412822456), (92, 206411228), (184, 103205614), (368, 51602807)]