19304960

素因数分解:

$2^9\times 5^1\times {\mathrm{7541}}^1$

素因数の和:7564

約数の個数: 40

約数和(自身を含む): 46292796

約数和(自身を除く): 26987836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7541, 15082, 30164, 37705, 60328, 75410, 120656, 150820, 241312, 301640, 482624, 603280, 965248, 1206560, 1930496, 2413120, 3860992, 4826240, 9652480, 19304960]

約数ペア:

[(1, 19304960), (2, 9652480), (4, 4826240), (5, 3860992), (8, 2413120), (10, 1930496), (16, 1206560), (20, 965248), (32, 603280), (40, 482624), (64, 301640), (80, 241312), (128, 150820), (160, 120656), (256, 75410), (320, 60328), (512, 37705), (640, 30164), (1280, 15082), (2560, 7541)]