17981648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{66109}}^1$

素因数の和:66134

約数の個数: 20

約数和(自身を含む): 36889380

約数和(自身を除く): 18907732

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 66109, 132218, 264436, 528872, 1057744, 1123853, 2247706, 4495412, 8990824, 17981648]

約数ペア:

[(1, 17981648), (2, 8990824), (4, 4495412), (8, 2247706), (16, 1123853), (17, 1057744), (34, 528872), (68, 264436), (136, 132218), (272, 66109)]