19779904

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{8353}}^1$

素因数の和:8402

約数の個数: 28

約数和(自身を含む): 40316404

約数和(自身を除く): 20536500

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 2368, 8353, 16706, 33412, 66824, 133648, 267296, 309061, 534592, 618122, 1236244, 2472488, 4944976, 9889952, 19779904]

約数ペア:

[(1, 19779904), (2, 9889952), (4, 4944976), (8, 2472488), (16, 1236244), (32, 618122), (37, 534592), (64, 309061), (74, 267296), (148, 133648), (296, 66824), (592, 33412), (1184, 16706), (2368, 8353)]