19946036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1997}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 38265696

約数和(自身を除く): 18319660

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 1997, 2497, 3994, 4994, 7988, 9988, 21967, 43934, 87868, 453319, 906638, 1813276, 4986509, 9973018, 19946036]

約数ペア:

[(1, 19946036), (2, 9973018), (4, 4986509), (11, 1813276), (22, 906638), (44, 453319), (227, 87868), (454, 43934), (908, 21967), (1997, 9988), (2497, 7988), (3994, 4994)]