18078983

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 20326656

約数和(自身を除く): 2247673

約数列:

[1, 13, 31, 113, 397, 403, 1469, 3503, 5161, 12307, 44861, 45539, 159991, 583193, 1390691, 18078983]

約数ペア:

[(1, 18078983), (13, 1390691), (31, 583193), (113, 159991), (397, 45539), (403, 44861), (1469, 12307), (3503, 5161)]