18673732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 24226748

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3191, 5852, 6382, 12764, 22337, 35101, 44674, 60629, 70202, 89348, 121258, 140404, 242516, 245707, 424403, 491414, 666919, 848806, 982828, 1333838, 1697612, 2667676, 4668433, 9336866, 18673732]

約数ペア:

[(1, 18673732), (2, 9336866), (4, 4668433), (7, 2667676), (11, 1697612), (14, 1333838), (19, 982828), (22, 848806), (28, 666919), (38, 491414), (44, 424403), (76, 245707), (77, 242516), (133, 140404), (154, 121258), (209, 89348), (266, 70202), (308, 60629), (418, 44674), (532, 35101), (836, 22337), (1463, 12764), (2926, 6382), (3191, 5852)]