19972952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 39841200

約数和(自身を除く): 19868248

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1301, 1919, 2602, 3838, 5204, 7676, 10408, 15352, 24719, 49438, 98876, 131401, 197752, 262802, 525604, 1051208, 2496619, 4993238, 9986476, 19972952]

約数ペア:

[(1, 19972952), (2, 9986476), (4, 4993238), (8, 2496619), (19, 1051208), (38, 525604), (76, 262802), (101, 197752), (152, 131401), (202, 98876), (404, 49438), (808, 24719), (1301, 15352), (1919, 10408), (2602, 7676), (3838, 5204)]