18978176

素因数分解:

$2^7\times 7^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25085824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 128, 224, 236, 359, 413, 448, 472, 718, 826, 896, 944, 1436, 1652, 1888, 2513, 2872, 3304, 3776, 5026, 5744, 6608, 7552, 10052, 11488, 13216, 20104, 21181, 22976, 26432, 40208, 42362, 45952, 52864, 80416, 84724, 148267, 160832, 169448, 296534, 321664, 338896, 593068, 677792, 1186136, 1355584, 2372272, 2711168, 4744544, 9489088, 18978176]

約数ペア:

[(1, 18978176), (2, 9489088), (4, 4744544), (7, 2711168), (8, 2372272), (14, 1355584), (16, 1186136), (28, 677792), (32, 593068), (56, 338896), (59, 321664), (64, 296534), (112, 169448), (118, 160832), (128, 148267), (224, 84724), (236, 80416), (359, 52864), (413, 45952), (448, 42362), (472, 40208), (718, 26432), (826, 22976), (896, 21181), (944, 20104), (1436, 13216), (1652, 11488), (1888, 10052), (2513, 7552), (2872, 6608), (3304, 5744), (3776, 5026)]