19917856

素因数分解:

$2^5\times 7^1\times {\mathrm{88919}}^1$

素因数の和:88936

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 24897824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 88919, 177838, 355676, 622433, 711352, 1244866, 1422704, 2489732, 2845408, 4979464, 9958928, 19917856]

約数ペア:

[(1, 19917856), (2, 9958928), (4, 4979464), (7, 2845408), (8, 2489732), (14, 1422704), (16, 1244866), (28, 711352), (32, 622433), (56, 355676), (112, 177838), (224, 88919)]