18916804592

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{550163}}^1$

素因数の和:550485

約数の個数: 40

約数和(自身を含む): 42023726976

約数和(自身を除く): 23106922384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 614, 1228, 2149, 2456, 4298, 4912, 8596, 17192, 34384, 550163, 1100326, 2200652, 3851141, 4401304, 7702282, 8802608, 15404564, 30809128, 61618256, 168900041, 337800082, 675600164, 1182300287, 1351200328, 2364600574, 2702400656, 4729201148, 9458402296, 18916804592]

約数ペア:

[(1, 18916804592), (2, 9458402296), (4, 4729201148), (7, 2702400656), (8, 2364600574), (14, 1351200328), (16, 1182300287), (28, 675600164), (56, 337800082), (112, 168900041), (307, 61618256), (614, 30809128), (1228, 15404564), (2149, 8802608), (2456, 7702282), (4298, 4401304), (4912, 3851141), (8596, 2200652), (17192, 1100326), (34384, 550163)]