18417815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6911}}^1$

素因数の和:6970

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 5967721

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 6911, 34555, 89843, 283351, 449215, 1416755, 3683563, 18417815]

約数ペア:

[(1, 18417815), (5, 3683563), (13, 1416755), (41, 449215), (65, 283351), (205, 89843), (533, 34555), (2665, 6911)]