18161220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3931}}^1$

素因数の和:3961

約数の個数: 96

約数和(自身を含む): 63415296

約数和(自身を除く): 45254076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 3931, 4620, 7862, 11793, 15724, 19655, 23586, 27517, 39310, 43241, 47172, 55034, 58965, 78620, 82551, 86482, 110068, 117930, 129723, 137585, 165102, 172964, 216205, 235860, 259446, 275170, 302687, 330204, 412755, 432410, 518892, 550340, 605374, 648615, 825510, 864820, 908061, 1210748, 1297230, 1513435, 1651020, 1816122, 2594460, 3026870, 3632244, 4540305, 6053740, 9080610, 18161220]

約数ペア:

[(1, 18161220), (2, 9080610), (3, 6053740), (4, 4540305), (5, 3632244), (6, 3026870), (7, 2594460), (10, 1816122), (11, 1651020), (12, 1513435), (14, 1297230), (15, 1210748), (20, 908061), (21, 864820), (22, 825510), (28, 648615), (30, 605374), (33, 550340), (35, 518892), (42, 432410), (44, 412755), (55, 330204), (60, 302687), (66, 275170), (70, 259446), (77, 235860), (84, 216205), (105, 172964), (110, 165102), (132, 137585), (140, 129723), (154, 117930), (165, 110068), (210, 86482), (220, 82551), (231, 78620), (308, 58965), (330, 55034), (385, 47172), (420, 43241), (462, 39310), (660, 27517), (770, 23586), (924, 19655), (1155, 15724), (1540, 11793), (2310, 7862), (3931, 4620)]