18542461

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 24192000

約数和(自身を除く): 5649539

約数列:

[1, 7, 17, 19, 59, 119, 133, 139, 323, 413, 973, 1003, 1121, 2261, 2363, 2641, 7021, 7847, 8201, 16541, 18487, 19057, 44897, 57407, 133399, 139417, 155819, 314279, 975919, 1090733, 2648923, 18542461]

約数ペア:

[(1, 18542461), (7, 2648923), (17, 1090733), (19, 975919), (59, 314279), (119, 155819), (133, 139417), (139, 133399), (323, 57407), (413, 44897), (973, 19057), (1003, 18487), (1121, 16541), (2261, 8201), (2363, 7847), (2641, 7021)]