19444432

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1403

約数の個数: 40

約数和(自身を含む): 43400000

約数和(自身を除く): 23955568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1249, 1946, 2224, 2498, 3892, 4996, 7784, 8743, 9992, 15568, 17486, 19984, 34972, 69944, 139888, 173611, 347222, 694444, 1215277, 1388888, 2430554, 2777776, 4861108, 9722216, 19444432]

約数ペア:

[(1, 19444432), (2, 9722216), (4, 4861108), (7, 2777776), (8, 2430554), (14, 1388888), (16, 1215277), (28, 694444), (56, 347222), (112, 173611), (139, 139888), (278, 69944), (556, 34972), (973, 19984), (1112, 17486), (1249, 15568), (1946, 9992), (2224, 8743), (2498, 7784), (3892, 4996)]