18852981

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6553}}^1$

素因数の和:6700

約数の個数: 16

約数和(自身を含む): 28942464

約数和(自身を除く): 10089483

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6553, 19659, 45871, 137613, 897761, 2693283, 6284327, 18852981]

約数ペア:

[(1, 18852981), (3, 6284327), (7, 2693283), (21, 897761), (137, 137613), (411, 45871), (959, 19659), (2877, 6553)]