18708424

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{761}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 40233600

約数和(自身を除く): 21525176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 761, 878, 1522, 1756, 3044, 3073, 3512, 5327, 6088, 6146, 10654, 12292, 21308, 24584, 42616, 334079, 668158, 1336316, 2338553, 2672632, 4677106, 9354212, 18708424]

約数ペア:

[(1, 18708424), (2, 9354212), (4, 4677106), (7, 2672632), (8, 2338553), (14, 1336316), (28, 668158), (56, 334079), (439, 42616), (761, 24584), (878, 21308), (1522, 12292), (1756, 10654), (3044, 6146), (3073, 6088), (3512, 5327)]