18130133

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 22978560

約数和(自身を除く): 4848427

約数列:

[1, 7, 29, 31, 43, 67, 203, 217, 301, 469, 899, 1247, 1333, 1943, 2077, 2881, 6293, 8729, 9331, 13601, 14539, 20167, 38657, 60233, 83549, 89311, 270599, 421631, 584843, 625177, 2590019, 18130133]

約数ペア:

[(1, 18130133), (7, 2590019), (29, 625177), (31, 584843), (43, 421631), (67, 270599), (203, 89311), (217, 83549), (301, 60233), (469, 38657), (899, 20167), (1247, 14539), (1333, 13601), (1943, 9331), (2077, 8729), (2881, 6293)]