19531520

素因数分解:

$2^8\times 5^1\times {\mathrm{15259}}^1$

素因数の和:15280

約数の個数: 36

約数和(自身を含む): 46787160

約数和(自身を除く): 27255640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15259, 30518, 61036, 76295, 122072, 152590, 244144, 305180, 488288, 610360, 976576, 1220720, 1953152, 2441440, 3906304, 4882880, 9765760, 19531520]

約数ペア:

[(1, 19531520), (2, 9765760), (4, 4882880), (5, 3906304), (8, 2441440), (10, 1953152), (16, 1220720), (20, 976576), (32, 610360), (40, 488288), (64, 305180), (80, 244144), (128, 152590), (160, 122072), (256, 76295), (320, 61036), (640, 30518), (1280, 15259)]