18723712

素因数分解:

$2^7\times 7^1\times {\mathrm{20897}}^1$

素因数の和:20918

約数の個数: 32

約数和(自身を含む): 42631920

約数和(自身を除く): 23908208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20897, 41794, 83588, 146279, 167176, 292558, 334352, 585116, 668704, 1170232, 1337408, 2340464, 2674816, 4680928, 9361856, 18723712]

約数ペア:

[(1, 18723712), (2, 9361856), (4, 4680928), (7, 2674816), (8, 2340464), (14, 1337408), (16, 1170232), (28, 668704), (32, 585116), (56, 334352), (64, 292558), (112, 167176), (128, 146279), (224, 83588), (448, 41794), (896, 20897)]