19568275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 26342064

約数和(自身を除く): 6773789

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 1123, 3485, 5615, 17425, 19091, 28075, 46043, 95455, 230215, 477275, 782731, 1151075, 3913655, 19568275]

約数ペア:

[(1, 19568275), (5, 3913655), (17, 1151075), (25, 782731), (41, 477275), (85, 230215), (205, 95455), (425, 46043), (697, 28075), (1025, 19091), (1123, 17425), (3485, 5615)]