19081225

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 26647600

約数和(自身を除く): 7566375

約数列:

[1, 5, 17, 19, 25, 85, 95, 139, 289, 323, 425, 475, 695, 1445, 1615, 2363, 2641, 3475, 5491, 7225, 8075, 11815, 13205, 27455, 40171, 44897, 59075, 66025, 137275, 200855, 224485, 763249, 1004275, 1122425, 3816245, 19081225]

約数ペア:

[(1, 19081225), (5, 3816245), (17, 1122425), (19, 1004275), (25, 763249), (85, 224485), (95, 200855), (139, 137275), (289, 66025), (323, 59075), (425, 44897), (475, 40171), (695, 27455), (1445, 13205), (1615, 11815), (2363, 8075), (2641, 7225), (3475, 5491)]