19186219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 21924000

約数和(自身を除く): 2737781

約数列:

[1, 13, 19, 173, 247, 449, 2249, 3287, 5837, 8531, 42731, 77677, 110903, 1009801, 1475863, 19186219]

約数ペア:

[(1, 19186219), (13, 1475863), (19, 1009801), (173, 110903), (247, 77677), (449, 42731), (2249, 8531), (3287, 5837)]