13639284

素因数分解:

$2^2\times 3^2\times {\mathrm{378869}}^1$

素因数の和:378879

約数の個数: 18

約数和(自身を含む): 34477170

約数和(自身を除く): 20837886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 378869, 757738, 1136607, 1515476, 2273214, 3409821, 4546428, 6819642, 13639284]

約数ペア:

[(1, 13639284), (2, 6819642), (3, 4546428), (4, 3409821), (6, 2273214), (9, 1515476), (12, 1136607), (18, 757738), (36, 378869)]