18804900989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{6551}}^1$

素因数の和:6881

約数の個数: 32

約数和(自身を含む): 22945628160

約数和(自身を除く): 4140727171

約数列:

[1, 7, 19, 113, 133, 191, 791, 1337, 2147, 3629, 6551, 15029, 21583, 25403, 45857, 124469, 151081, 410077, 740263, 871283, 1251241, 2870539, 5181841, 8758687, 14064997, 23773579, 98454979, 141390233, 166415053, 989731631, 2686414427, 18804900989]

約数ペア:

[(1, 18804900989), (7, 2686414427), (19, 989731631), (113, 166415053), (133, 141390233), (191, 98454979), (791, 23773579), (1337, 14064997), (2147, 8758687), (3629, 5181841), (6551, 2870539), (15029, 1251241), (21583, 871283), (25403, 740263), (45857, 410077), (124469, 151081)]