199888912

素因数分解:

$2^4\times {\mathrm{1259}}^1\times {\mathrm{9923}}^1$

素因数の和:11190

約数の個数: 20

約数和(自身を含む): 387631440

約数和(自身を除く): 187742528

約数列:

[1, 2, 4, 8, 16, 1259, 2518, 5036, 9923, 10072, 19846, 20144, 39692, 79384, 158768, 12493057, 24986114, 49972228, 99944456, 199888912]

約数ペア:

[(1, 199888912), (2, 99944456), (4, 49972228), (8, 24986114), (16, 12493057), (1259, 158768), (2518, 79384), (5036, 39692), (9923, 20144), (10072, 19846)]