19840245

素因数分解:

$3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4253}}^1$

素因数の和:4572

約数の個数: 16

約数和(自身を含む): 31853952

約数和(自身を除く): 12013707

約数列:

[1, 3, 5, 15, 311, 933, 1555, 4253, 4665, 12759, 21265, 63795, 1322683, 3968049, 6613415, 19840245]

約数ペア:

[(1, 19840245), (3, 6613415), (5, 3968049), (15, 1322683), (311, 63795), (933, 21265), (1555, 12759), (4253, 4665)]