19286828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1931}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 37001664

約数和(自身を除く): 17714836

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 1931, 2497, 3862, 4994, 7724, 9988, 21241, 42482, 84964, 438337, 876674, 1753348, 4821707, 9643414, 19286828]

約数ペア:

[(1, 19286828), (2, 9643414), (4, 4821707), (11, 1753348), (22, 876674), (44, 438337), (227, 84964), (454, 42482), (908, 21241), (1931, 9988), (2497, 7724), (3862, 4994)]