2149705904

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{372179}}^1$

素因数の和:372225

約数の個数: 30

約数和(自身を含む): 4395817980

約数和(自身を除く): 2246112076

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 372179, 744358, 1488716, 2977432, 5954864, 7071401, 14142802, 28285604, 56571208, 113142416, 134356619, 268713238, 537426476, 1074852952, 2149705904]

約数ペア:

[(1, 2149705904), (2, 1074852952), (4, 537426476), (8, 268713238), (16, 134356619), (19, 113142416), (38, 56571208), (76, 28285604), (152, 14142802), (304, 7071401), (361, 5954864), (722, 2977432), (1444, 1488716), (2888, 744358), (5776, 372179)]