19820768

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5119}}^1$

素因数の和:5151

約数の個数: 36

約数和(自身を含む): 42900480

約数和(自身を除く): 23079712

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5119, 10238, 20476, 40952, 56309, 81904, 112618, 163808, 225236, 450472, 619399, 900944, 1238798, 1801888, 2477596, 4955192, 9910384, 19820768]

約数ペア:

[(1, 19820768), (2, 9910384), (4, 4955192), (8, 2477596), (11, 1801888), (16, 1238798), (22, 900944), (32, 619399), (44, 450472), (88, 225236), (121, 163808), (176, 112618), (242, 81904), (352, 56309), (484, 40952), (968, 20476), (1936, 10238), (3872, 5119)]