18993455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7127}}^1$

素因数の和:7186

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 6154129

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7127, 35635, 92651, 292207, 463255, 1461035, 3798691, 18993455]

約数ペア:

[(1, 18993455), (5, 3798691), (13, 1461035), (41, 463255), (65, 292207), (205, 92651), (533, 35635), (2665, 7127)]