19934284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5039}}^1$

素因数の和:5109

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17321396

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5039, 10078, 20156, 115897, 216677, 231794, 433354, 463588, 866708, 4983571, 9967142, 19934284]

約数ペア:

[(1, 19934284), (2, 9967142), (4, 4983571), (23, 866708), (43, 463588), (46, 433354), (86, 231794), (92, 216677), (172, 115897), (989, 20156), (1978, 10078), (3956, 5039)]