18831891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7207}}^1$

素因数の和:7290

約数の個数: 16

約数和(自身を含む): 27448064

約数和(自身を除く): 8616173

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7207, 21621, 93691, 281073, 482869, 1448607, 6277297, 18831891]

約数ペア:

[(1, 18831891), (3, 6277297), (13, 1448607), (39, 482869), (67, 281073), (201, 93691), (871, 21621), (2613, 7207)]