18977814

素因数分解:

$2^1\times 3^5\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 45169488

約数和(自身を除く): 26191674

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 306, 459, 486, 918, 1377, 2297, 2754, 4131, 4594, 6891, 8262, 13782, 20673, 39049, 41346, 62019, 78098, 117147, 124038, 186057, 234294, 351441, 372114, 558171, 702882, 1054323, 1116342, 2108646, 3162969, 6325938, 9488907, 18977814]

約数ペア:

[(1, 18977814), (2, 9488907), (3, 6325938), (6, 3162969), (9, 2108646), (17, 1116342), (18, 1054323), (27, 702882), (34, 558171), (51, 372114), (54, 351441), (81, 234294), (102, 186057), (153, 124038), (162, 117147), (243, 78098), (306, 62019), (459, 41346), (486, 39049), (918, 20673), (1377, 13782), (2297, 8262), (2754, 6891), (4131, 4594)]