18969733

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 21127680

約数和(自身を除く): 2157947

約数列:

[1, 19, 23, 83, 437, 523, 1577, 1909, 9937, 12029, 36271, 43409, 228551, 824771, 998407, 18969733]

約数ペア:

[(1, 18969733), (19, 998407), (23, 824771), (83, 228551), (437, 43409), (523, 36271), (1577, 12029), (1909, 9937)]