19205345

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 24725736

約数和(自身を除く): 5520391

約数列:

[1, 5, 23, 53, 115, 137, 265, 529, 685, 1219, 2645, 3151, 6095, 7261, 15755, 28037, 36305, 72473, 140185, 167003, 362365, 835015, 3841069, 19205345]

約数ペア:

[(1, 19205345), (5, 3841069), (23, 835015), (53, 362365), (115, 167003), (137, 140185), (265, 72473), (529, 36305), (685, 28037), (1219, 15755), (2645, 7261), (3151, 6095)]