19428530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{509}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 18907150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 347, 509, 694, 1018, 1735, 2545, 3470, 3817, 5090, 5599, 7634, 11198, 19085, 27995, 38170, 55990, 176623, 353246, 883115, 1766230, 1942853, 3885706, 9714265, 19428530]

約数ペア:

[(1, 19428530), (2, 9714265), (5, 3885706), (10, 1942853), (11, 1766230), (22, 883115), (55, 353246), (110, 176623), (347, 55990), (509, 38170), (694, 27995), (1018, 19085), (1735, 11198), (2545, 7634), (3470, 5599), (3817, 5090)]