18982605

素因数分解:

$3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1277}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 30426624

約数和(自身を除く): 11444019

約数列:

[1, 3, 5, 15, 991, 1277, 2973, 3831, 4955, 6385, 14865, 19155, 1265507, 3796521, 6327535, 18982605]

約数ペア:

[(1, 18982605), (3, 6327535), (5, 3796521), (15, 1265507), (991, 19155), (1277, 14865), (2973, 6385), (3831, 4955)]