16218180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8191}}^1$

素因数の和:8217

約数の個数: 72

約数和(自身を含む): 53673984

約数和(自身を除く): 37455804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8191, 16382, 24573, 32764, 40955, 49146, 73719, 81910, 90101, 98292, 122865, 147438, 163820, 180202, 245730, 270303, 294876, 360404, 368595, 450505, 491460, 540606, 737190, 810909, 901010, 1081212, 1351515, 1474380, 1621818, 1802020, 2703030, 3243636, 4054545, 5406060, 8109090, 16218180]

約数ペア:

[(1, 16218180), (2, 8109090), (3, 5406060), (4, 4054545), (5, 3243636), (6, 2703030), (9, 1802020), (10, 1621818), (11, 1474380), (12, 1351515), (15, 1081212), (18, 901010), (20, 810909), (22, 737190), (30, 540606), (33, 491460), (36, 450505), (44, 368595), (45, 360404), (55, 294876), (60, 270303), (66, 245730), (90, 180202), (99, 163820), (110, 147438), (132, 122865), (165, 98292), (180, 90101), (198, 81910), (220, 73719), (330, 49146), (396, 40955), (495, 32764), (660, 24573), (990, 16382), (1980, 8191)]