18902013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2297}}^1$

素因数の和:2524

約数の個数: 16

約数和(自身を含む): 27281856

約数和(自身を除く): 8379843

約数列:

[1, 3, 13, 39, 211, 633, 2297, 2743, 6891, 8229, 29861, 89583, 484667, 1454001, 6300671, 18902013]

約数ペア:

[(1, 18902013), (3, 6300671), (13, 1454001), (39, 484667), (211, 89583), (633, 29861), (2297, 8229), (2743, 6891)]