18789413

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 20269440

約数和(自身を除く): 1480027

約数列:

[1, 23, 67, 89, 137, 1541, 2047, 3151, 5963, 9179, 12193, 137149, 211117, 280439, 816931, 18789413]

約数ペア:

[(1, 18789413), (23, 816931), (67, 280439), (89, 211117), (137, 137149), (1541, 12193), (2047, 9179), (3151, 5963)]