18388140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2237}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 51885792

約数和(自身を除く): 33497652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2237, 2740, 4110, 4474, 6711, 8220, 8948, 11185, 13422, 22370, 26844, 33555, 44740, 67110, 134220, 306469, 612938, 919407, 1225876, 1532345, 1838814, 3064690, 3677628, 4597035, 6129380, 9194070, 18388140]

約数ペア:

[(1, 18388140), (2, 9194070), (3, 6129380), (4, 4597035), (5, 3677628), (6, 3064690), (10, 1838814), (12, 1532345), (15, 1225876), (20, 919407), (30, 612938), (60, 306469), (137, 134220), (274, 67110), (411, 44740), (548, 33555), (685, 26844), (822, 22370), (1370, 13422), (1644, 11185), (2055, 8948), (2237, 8220), (2740, 6711), (4110, 4474)]