18389208

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 47773440

約数和(自身を除く): 29384232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 103, 129, 172, 173, 206, 258, 309, 344, 346, 412, 516, 519, 618, 692, 824, 1032, 1038, 1236, 1384, 2076, 2472, 4152, 4429, 7439, 8858, 13287, 14878, 17716, 17819, 22317, 26574, 29756, 35432, 35638, 44634, 53148, 53457, 59512, 71276, 89268, 106296, 106914, 142552, 178536, 213828, 427656, 766217, 1532434, 2298651, 3064868, 4597302, 6129736, 9194604, 18389208]

約数ペア:

[(1, 18389208), (2, 9194604), (3, 6129736), (4, 4597302), (6, 3064868), (8, 2298651), (12, 1532434), (24, 766217), (43, 427656), (86, 213828), (103, 178536), (129, 142552), (172, 106914), (173, 106296), (206, 89268), (258, 71276), (309, 59512), (344, 53457), (346, 53148), (412, 44634), (516, 35638), (519, 35432), (618, 29756), (692, 26574), (824, 22317), (1032, 17819), (1038, 17716), (1236, 14878), (1384, 13287), (2076, 8858), (2472, 7439), (4152, 4429)]