19105790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{601}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 39919824

約数和(自身を除く): 20814034

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 289, 374, 578, 601, 935, 1202, 1445, 1870, 2890, 3005, 3179, 6010, 6358, 6611, 10217, 13222, 15895, 20434, 31790, 33055, 51085, 66110, 102170, 112387, 173689, 224774, 347378, 561935, 868445, 1123870, 1736890, 1910579, 3821158, 9552895, 19105790]

約数ペア:

[(1, 19105790), (2, 9552895), (5, 3821158), (10, 1910579), (11, 1736890), (17, 1123870), (22, 868445), (34, 561935), (55, 347378), (85, 224774), (110, 173689), (170, 112387), (187, 102170), (289, 66110), (374, 51085), (578, 33055), (601, 31790), (935, 20434), (1202, 15895), (1445, 13222), (1870, 10217), (2890, 6611), (3005, 6358), (3179, 6010)]