20180891392

素因数分解:

$2^8\times {\mathrm{353}}^1\times {\mathrm{223319}}^1$

素因数の和:223688

約数の個数: 36

約数和(自身を含む): 40397248080

約数和(自身を除く): 20216356688

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 353, 706, 1412, 2824, 5648, 11296, 22592, 45184, 90368, 223319, 446638, 893276, 1786552, 3573104, 7146208, 14292416, 28584832, 57169664, 78831607, 157663214, 315326428, 630652856, 1261305712, 2522611424, 5045222848, 10090445696, 20180891392]

約数ペア:

[(1, 20180891392), (2, 10090445696), (4, 5045222848), (8, 2522611424), (16, 1261305712), (32, 630652856), (64, 315326428), (128, 157663214), (256, 78831607), (353, 57169664), (706, 28584832), (1412, 14292416), (2824, 7146208), (5648, 3573104), (11296, 1786552), (22592, 893276), (45184, 446638), (90368, 223319)]