18366988997

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{36343}}^1$

素因数の和:36489

約数の個数: 32

約数和(自身を含む): 22720524288

約数和(自身を除く): 4353535291

約数列:

[1, 7, 23, 43, 73, 161, 301, 511, 989, 1679, 3139, 6923, 11753, 21973, 36343, 72197, 254401, 505379, 835889, 1562749, 2653039, 5851223, 10939243, 18571273, 35943227, 61019897, 114080677, 251602589, 427139279, 798564739, 2623855571, 18366988997]

約数ペア:

[(1, 18366988997), (7, 2623855571), (23, 798564739), (43, 427139279), (73, 251602589), (161, 114080677), (301, 61019897), (511, 35943227), (989, 18571273), (1679, 10939243), (3139, 5851223), (6923, 2653039), (11753, 1562749), (21973, 835889), (36343, 505379), (72197, 254401)]