19847727

素因数分解:

$3^3\times {\mathrm{367}}^1\times {\mathrm{2003}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 29498880

約数和(自身を除く): 9651153

約数列:

[1, 3, 9, 27, 367, 1101, 2003, 3303, 6009, 9909, 18027, 54081, 735101, 2205303, 6615909, 19847727]

約数ペア:

[(1, 19847727), (3, 6615909), (9, 2205303), (27, 735101), (367, 54081), (1101, 18027), (2003, 9909), (3303, 6009)]