19980459828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79287539}}^1$

素因数の和:79287556

約数の個数: 36

約数和(自身を含む): 57721329120

約数和(自身を除く): 37740869292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79287539, 158575078, 237862617, 317150156, 475725234, 555012773, 713587851, 951450468, 1110025546, 1427175702, 1665038319, 2220051092, 2854351404, 3330076638, 4995114957, 6660153276, 9990229914, 19980459828]

約数ペア:

[(1, 19980459828), (2, 9990229914), (3, 6660153276), (4, 4995114957), (6, 3330076638), (7, 2854351404), (9, 2220051092), (12, 1665038319), (14, 1427175702), (18, 1110025546), (21, 951450468), (28, 713587851), (36, 555012773), (42, 475725234), (63, 317150156), (84, 237862617), (126, 158575078), (252, 79287539)]