19961392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113417}}^1$

素因数の和:113436

約数の個数: 20

約数和(自身を含む): 42191496

約数和(自身を除く): 22230104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113417, 226834, 453668, 907336, 1247587, 1814672, 2495174, 4990348, 9980696, 19961392]

約数ペア:

[(1, 19961392), (2, 9980696), (4, 4990348), (8, 2495174), (11, 1814672), (16, 1247587), (22, 907336), (44, 453668), (88, 226834), (176, 113417)]