19766252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 18154708

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 1979, 2497, 3958, 4994, 7916, 9988, 21769, 43538, 87076, 449233, 898466, 1796932, 4941563, 9883126, 19766252]

約数ペア:

[(1, 19766252), (2, 9883126), (4, 4941563), (11, 1796932), (22, 898466), (44, 449233), (227, 87076), (454, 43538), (908, 21769), (1979, 9988), (2497, 7916), (3958, 4994)]