19104787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 21978432

約数和(自身を除く): 2873645

約数列:

[1, 13, 17, 137, 221, 631, 1781, 2329, 8203, 10727, 30277, 86447, 139451, 1123811, 1469599, 19104787]

約数ペア:

[(1, 19104787), (13, 1469599), (17, 1123811), (137, 139451), (221, 86447), (631, 30277), (1781, 10727), (2329, 8203)]