18319497

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21277}}^1$

素因数の和:21328

約数の個数: 16

約数和(自身を含む): 28597632

約数和(自身を除く): 10278135

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21277, 63831, 148939, 446817, 872357, 2617071, 6106499, 18319497]

約数ペア:

[(1, 18319497), (3, 6106499), (7, 2617071), (21, 872357), (41, 446817), (123, 148939), (287, 63831), (861, 21277)]