18881296

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 42033024

約数和(自身を除く): 23151728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 641, 1052, 1282, 1841, 2104, 2564, 3682, 4208, 4487, 5128, 7364, 8974, 10256, 14728, 17948, 29456, 35896, 71792, 168583, 337166, 674332, 1180081, 1348664, 2360162, 2697328, 4720324, 9440648, 18881296]

約数ペア:

[(1, 18881296), (2, 9440648), (4, 4720324), (7, 2697328), (8, 2360162), (14, 1348664), (16, 1180081), (28, 674332), (56, 337166), (112, 168583), (263, 71792), (526, 35896), (641, 29456), (1052, 17948), (1282, 14728), (1841, 10256), (2104, 8974), (2564, 7364), (3682, 5128), (4208, 4487)]