18892473

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 25709376

約数和(自身を除く): 6816903

約数列:

[1, 3, 73, 219, 281, 307, 843, 921, 20513, 22411, 61539, 67233, 86267, 258801, 6297491, 18892473]

約数ペア:

[(1, 18892473), (3, 6297491), (73, 258801), (219, 86267), (281, 67233), (307, 61539), (843, 22411), (921, 20513)]