18936274

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 34427520

約数和(自身を除く): 15491246

約数列:

[1, 2, 7, 14, 19, 38, 133, 257, 266, 277, 514, 554, 1799, 1939, 3598, 3878, 4883, 5263, 9766, 10526, 34181, 36841, 68362, 71189, 73682, 142378, 498323, 996646, 1352591, 2705182, 9468137, 18936274]

約数ペア:

[(1, 18936274), (2, 9468137), (7, 2705182), (14, 1352591), (19, 996646), (38, 498323), (133, 142378), (257, 73682), (266, 71189), (277, 68362), (514, 36841), (554, 34181), (1799, 10526), (1939, 9766), (3598, 5263), (3878, 4883)]