18312808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 38473380

約数和(自身を除く): 20160572

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 361, 373, 646, 722, 746, 1292, 1444, 1492, 2584, 2888, 2984, 6137, 6341, 7087, 12274, 12682, 14174, 24548, 25364, 28348, 49096, 50728, 56696, 120479, 134653, 240958, 269306, 481916, 538612, 963832, 1077224, 2289101, 4578202, 9156404, 18312808]

約数ペア:

[(1, 18312808), (2, 9156404), (4, 4578202), (8, 2289101), (17, 1077224), (19, 963832), (34, 538612), (38, 481916), (68, 269306), (76, 240958), (136, 134653), (152, 120479), (323, 56696), (361, 50728), (373, 49096), (646, 28348), (722, 25364), (746, 24548), (1292, 14174), (1444, 12682), (1492, 12274), (2584, 7087), (2888, 6341), (2984, 6137)]