18931072

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 38035800

約数和(自身を除く): 19104728

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1129, 2096, 2258, 4192, 4516, 8384, 9032, 16768, 18064, 36128, 72256, 144512, 147899, 295798, 591596, 1183192, 2366384, 4732768, 9465536, 18931072]

約数ペア:

[(1, 18931072), (2, 9465536), (4, 4732768), (8, 2366384), (16, 1183192), (32, 591596), (64, 295798), (128, 147899), (131, 144512), (262, 72256), (524, 36128), (1048, 18064), (1129, 16768), (2096, 9032), (2258, 8384), (4192, 4516)]