19178768

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1695

約数の個数: 40

約数和(自身を含む): 42884160

約数和(自身を除く): 23705392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1571, 1744, 3052, 3142, 6104, 6284, 10997, 12208, 12568, 21994, 25136, 43988, 87976, 171239, 175952, 342478, 684956, 1198673, 1369912, 2397346, 2739824, 4794692, 9589384, 19178768]

約数ペア:

[(1, 19178768), (2, 9589384), (4, 4794692), (7, 2739824), (8, 2397346), (14, 1369912), (16, 1198673), (28, 684956), (56, 342478), (109, 175952), (112, 171239), (218, 87976), (436, 43988), (763, 25136), (872, 21994), (1526, 12568), (1571, 12208), (1744, 10997), (3052, 6284), (3142, 6104)]