19997418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15359}}^1$

素因数の和:15402

約数の個数: 32

約数和(自身を含む): 47185920

約数和(自身を除く): 27188502

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15359, 30718, 46077, 92154, 107513, 215026, 322539, 476129, 645078, 952258, 1428387, 2856774, 3332903, 6665806, 9998709, 19997418]

約数ペア:

[(1, 19997418), (2, 9998709), (3, 6665806), (6, 3332903), (7, 2856774), (14, 1428387), (21, 952258), (31, 645078), (42, 476129), (62, 322539), (93, 215026), (186, 107513), (217, 92154), (434, 46077), (651, 30718), (1302, 15359)]