18478252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20903}}^1$

素因数の和:20937

約数の個数: 24

約数和(自身を含む): 36874656

約数和(自身を除く): 18396404

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 20903, 41806, 83612, 271739, 355351, 543478, 710702, 1086956, 1421404, 4619563, 9239126, 18478252]

約数ペア:

[(1, 18478252), (2, 9239126), (4, 4619563), (13, 1421404), (17, 1086956), (26, 710702), (34, 543478), (52, 355351), (68, 271739), (221, 83612), (442, 41806), (884, 20903)]