19660172

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2711}}^1$

素因数の和:2766

約数の個数: 36

約数和(自身を含む): 41119344

約数和(自身を除く): 21459172

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2711, 3626, 5422, 7252, 10844, 18977, 37954, 75908, 100307, 132839, 200614, 265678, 401228, 531356, 702149, 1404298, 2808596, 4915043, 9830086, 19660172]

約数ペア:

[(1, 19660172), (2, 9830086), (4, 4915043), (7, 2808596), (14, 1404298), (28, 702149), (37, 531356), (49, 401228), (74, 265678), (98, 200614), (148, 132839), (196, 100307), (259, 75908), (518, 37954), (1036, 18977), (1813, 10844), (2711, 7252), (3626, 5422)]