2019965636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{23557}}^1$

素因数の和:23688

約数の個数: 48

約数和(自身を含む): 4072518576

約数和(自身を除く): 2052552940

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 97, 194, 221, 388, 442, 884, 1261, 1649, 2522, 3298, 5044, 6596, 21437, 23557, 42874, 47114, 85748, 94228, 306241, 400469, 612482, 800938, 1224964, 1601876, 2285029, 4570058, 5206097, 9140116, 10412194, 20824388, 29705377, 38845493, 59410754, 77690986, 118821508, 155381972, 504991409, 1009982818, 2019965636]

約数ペア:

[(1, 2019965636), (2, 1009982818), (4, 504991409), (13, 155381972), (17, 118821508), (26, 77690986), (34, 59410754), (52, 38845493), (68, 29705377), (97, 20824388), (194, 10412194), (221, 9140116), (388, 5206097), (442, 4570058), (884, 2285029), (1261, 1601876), (1649, 1224964), (2522, 800938), (3298, 612482), (5044, 400469), (6596, 306241), (21437, 94228), (23557, 85748), (42874, 47114)]