18764228

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29137}}^1$

素因数の和:29171

約数の個数: 24

約数和(自身を含む): 39161472

約数和(自身を除く): 20397244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 29137, 58274, 116548, 203959, 407918, 670151, 815836, 1340302, 2680604, 4691057, 9382114, 18764228]

約数ペア:

[(1, 18764228), (2, 9382114), (4, 4691057), (7, 2680604), (14, 1340302), (23, 815836), (28, 670151), (46, 407918), (92, 203959), (161, 116548), (322, 58274), (644, 29137)]