19165904

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1129}}^1$

素因数の和:2198

約数の個数: 20

約数和(自身を含む): 37201860

約数和(自身を除く): 18035956

約数列:

[1, 2, 4, 8, 16, 1061, 1129, 2122, 2258, 4244, 4516, 8488, 9032, 16976, 18064, 1197869, 2395738, 4791476, 9582952, 19165904]

約数ペア:

[(1, 19165904), (2, 9582952), (4, 4791476), (8, 2395738), (16, 1197869), (1061, 18064), (1129, 16976), (2122, 9032), (2258, 8488), (4244, 4516)]