19877984

素因数分解:

$2^5\times 7^1\times {\mathrm{88741}}^1$

素因数の和:88758

約数の個数: 24

約数和(自身を含む): 44725968

約数和(自身を除く): 24847984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 88741, 177482, 354964, 621187, 709928, 1242374, 1419856, 2484748, 2839712, 4969496, 9938992, 19877984]

約数ペア:

[(1, 19877984), (2, 9938992), (4, 4969496), (7, 2839712), (8, 2484748), (14, 1419856), (16, 1242374), (28, 709928), (32, 621187), (56, 354964), (112, 177482), (224, 88741)]