18815159

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 21306240

約数和(自身を除く): 2491081

約数列:

[1, 11, 53, 59, 547, 583, 649, 3127, 6017, 28991, 32273, 34397, 318901, 355003, 1710469, 18815159]

約数ペア:

[(1, 18815159), (11, 1710469), (53, 355003), (59, 318901), (547, 34397), (583, 32273), (649, 28991), (3127, 6017)]