15981136

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43427}}^1$

素因数の和:43458

約数の個数: 20

約数和(自身を含む): 32310432

約数和(自身を除く): 16329296

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 43427, 86854, 173708, 347416, 694832, 998821, 1997642, 3995284, 7990568, 15981136]

約数ペア:

[(1, 15981136), (2, 7990568), (4, 3995284), (8, 1997642), (16, 998821), (23, 694832), (46, 347416), (92, 173708), (184, 86854), (368, 43427)]