31918820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16453}}^1$

素因数の和:16559

約数の個数: 24

約数和(自身を含む): 67724664

約数和(自身を除く): 35805844

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 16453, 32906, 65812, 82265, 164530, 329060, 1595941, 3191882, 6383764, 7979705, 15959410, 31918820]

約数ペア:

[(1, 31918820), (2, 15959410), (4, 7979705), (5, 6383764), (10, 3191882), (20, 1595941), (97, 329060), (194, 164530), (388, 82265), (485, 65812), (970, 32906), (1940, 16453)]