20189305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{953}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 5454215

約数列:

[1, 5, 19, 95, 223, 953, 1115, 4237, 4765, 18107, 21185, 90535, 212519, 1062595, 4037861, 20189305]

約数ペア:

[(1, 20189305), (5, 4037861), (19, 1062595), (95, 212519), (223, 90535), (953, 21185), (1115, 18107), (4237, 4765)]