18200510678

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1\times {\mathrm{17683}}^1$

素因数の和:19716

約数の個数: 32

約数和(自身を含む): 32062082304

約数和(自身を除く): 13861571626

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1987, 3974, 13909, 17683, 27818, 35366, 73519, 123781, 147038, 247562, 514633, 654271, 1029266, 1308542, 4579897, 9159794, 35136121, 70272242, 245952847, 491905694, 1300036477, 2600072954, 9100255339, 18200510678]

約数ペア:

[(1, 18200510678), (2, 9100255339), (7, 2600072954), (14, 1300036477), (37, 491905694), (74, 245952847), (259, 70272242), (518, 35136121), (1987, 9159794), (3974, 4579897), (13909, 1308542), (17683, 1029266), (27818, 654271), (35366, 514633), (73519, 247562), (123781, 147038)]