19952516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 35939904

約数和(自身を除く): 15987388

約数列:

[1, 2, 4, 43, 86, 172, 311, 373, 622, 746, 1244, 1492, 13373, 16039, 26746, 32078, 53492, 64156, 116003, 232006, 464012, 4988129, 9976258, 19952516]

約数ペア:

[(1, 19952516), (2, 9976258), (4, 4988129), (43, 464012), (86, 232006), (172, 116003), (311, 64156), (373, 53492), (622, 32078), (746, 26746), (1244, 16039), (1492, 13373)]