19886848

素因数分解:

$2^8\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 40066488

約数和(自身を除く): 20179640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 524, 593, 1048, 1186, 2096, 2372, 4192, 4744, 8384, 9488, 16768, 18976, 33536, 37952, 75904, 77683, 151808, 155366, 310732, 621464, 1242928, 2485856, 4971712, 9943424, 19886848]

約数ペア:

[(1, 19886848), (2, 9943424), (4, 4971712), (8, 2485856), (16, 1242928), (32, 621464), (64, 310732), (128, 155366), (131, 151808), (256, 77683), (262, 75904), (524, 37952), (593, 33536), (1048, 18976), (1186, 16768), (2096, 9488), (2372, 8384), (4192, 4744)]