18605008

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 37754280

約数和(自身を除く): 19149272

約数列:

[1, 2, 4, 8, 16, 29, 58, 101, 116, 202, 232, 397, 404, 464, 794, 808, 1588, 1616, 2929, 3176, 5858, 6352, 11513, 11716, 23026, 23432, 40097, 46052, 46864, 80194, 92104, 160388, 184208, 320776, 641552, 1162813, 2325626, 4651252, 9302504, 18605008]

約数ペア:

[(1, 18605008), (2, 9302504), (4, 4651252), (8, 2325626), (16, 1162813), (29, 641552), (58, 320776), (101, 184208), (116, 160388), (202, 92104), (232, 80194), (397, 46864), (404, 46052), (464, 40097), (794, 23432), (808, 23026), (1588, 11716), (1616, 11513), (2929, 6352), (3176, 5858)]