19639179

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 35312640

約数和(自身を除く): 15673461

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 1823, 3591, 5469, 10773, 12761, 16407, 34637, 38283, 49221, 103911, 114849, 147663, 242459, 311733, 344547, 727377, 935199, 1033641, 2182131, 2805597, 6546393, 19639179]

約数ペア:

[(1, 19639179), (3, 6546393), (7, 2805597), (9, 2182131), (19, 1033641), (21, 935199), (27, 727377), (57, 344547), (63, 311733), (81, 242459), (133, 147663), (171, 114849), (189, 103911), (399, 49221), (513, 38283), (567, 34637), (1197, 16407), (1539, 12761), (1823, 10773), (3591, 5469)]