18225959

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 20217600

約数和(自身を除く): 1991641

約数列:

[1, 19, 23, 179, 233, 437, 3401, 4117, 4427, 5359, 41707, 78223, 101821, 792433, 959261, 18225959]

約数ペア:

[(1, 18225959), (19, 959261), (23, 792433), (179, 101821), (233, 78223), (437, 41707), (3401, 5359), (4117, 4427)]