19214445

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 31852800

約数和(自身を除く): 12638355

約数列:

[1, 3, 5, 15, 41, 123, 157, 199, 205, 471, 597, 615, 785, 995, 2355, 2985, 6437, 8159, 19311, 24477, 31243, 32185, 40795, 93729, 96555, 122385, 156215, 468645, 1280963, 3842889, 6404815, 19214445]

約数ペア:

[(1, 19214445), (3, 6404815), (5, 3842889), (15, 1280963), (41, 468645), (123, 156215), (157, 122385), (199, 96555), (205, 93729), (471, 40795), (597, 32185), (615, 31243), (785, 24477), (995, 19311), (2355, 8159), (2985, 6437)]