19561564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23399}}^1$

素因数の和:23433

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 19750436

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23399, 46798, 93596, 257389, 444581, 514778, 889162, 1029556, 1778324, 4890391, 9780782, 19561564]

約数ペア:

[(1, 19561564), (2, 9780782), (4, 4890391), (11, 1778324), (19, 1029556), (22, 889162), (38, 514778), (44, 444581), (76, 257389), (209, 93596), (418, 46798), (836, 23399)]