19784996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64237}}^1$

素因数の和:64259

約数の個数: 24

約数和(自身を含む): 43167936

約数和(自身を除く): 23382940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64237, 128474, 256948, 449659, 706607, 899318, 1413214, 1798636, 2826428, 4946249, 9892498, 19784996]

約数ペア:

[(1, 19784996), (2, 9892498), (4, 4946249), (7, 2826428), (11, 1798636), (14, 1413214), (22, 899318), (28, 706607), (44, 449659), (77, 256948), (154, 128474), (308, 64237)]