15804784

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{21017}}^1$

素因数の和:21072

約数の個数: 20

約数和(自身を含む): 31274784

約数和(自身を除く): 15470000

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 21017, 42034, 84068, 168136, 336272, 987799, 1975598, 3951196, 7902392, 15804784]

約数ペア:

[(1, 15804784), (2, 7902392), (4, 3951196), (8, 1975598), (16, 987799), (47, 336272), (94, 168136), (188, 84068), (376, 42034), (752, 21017)]