19883456

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4637}}^1$

素因数の和:4716

約数の個数: 28

約数和(自身を含む): 40053768

約数和(自身を除く): 20170312

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4637, 9274, 18548, 37096, 74192, 148384, 296768, 310679, 621358, 1242716, 2485432, 4970864, 9941728, 19883456]

約数ペア:

[(1, 19883456), (2, 9941728), (4, 4970864), (8, 2485432), (16, 1242716), (32, 621358), (64, 310679), (67, 296768), (134, 148384), (268, 74192), (536, 37096), (1072, 18548), (2144, 9274), (4288, 4637)]