19904310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221159}}^1$

素因数の和:221172

約数の個数: 24

約数和(自身を含む): 51751440

約数和(自身を除く): 31847130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221159, 442318, 663477, 1105795, 1326954, 1990431, 2211590, 3317385, 3980862, 6634770, 9952155, 19904310]

約数ペア:

[(1, 19904310), (2, 9952155), (3, 6634770), (5, 3980862), (6, 3317385), (9, 2211590), (10, 1990431), (15, 1326954), (18, 1105795), (30, 663477), (45, 442318), (90, 221159)]