17758620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8969}}^1$

素因数の和:8995

約数の個数: 72

約数和(自身を含む): 58771440

約数和(自身を除く): 41012820

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, 8969, 17938, 26907, 35876, 44845, 53814, 80721, 89690, 98659, 107628, 134535, 161442, 179380, 197318, 269070, 295977, 322884, 394636, 403605, 493295, 538140, 591954, 807210, 887931, 986590, 1183908, 1479885, 1614420, 1775862, 1973180, 2959770, 3551724, 4439655, 5919540, 8879310, 17758620]

約数ペア:

[(1, 17758620), (2, 8879310), (3, 5919540), (4, 4439655), (5, 3551724), (6, 2959770), (9, 1973180), (10, 1775862), (11, 1614420), (12, 1479885), (15, 1183908), (18, 986590), (20, 887931), (22, 807210), (30, 591954), (33, 538140), (36, 493295), (44, 403605), (45, 394636), (55, 322884), (60, 295977), (66, 269070), (90, 197318), (99, 179380), (110, 161442), (132, 134535), (165, 107628), (180, 98659), (198, 89690), (220, 80721), (330, 53814), (396, 44845), (495, 35876), (660, 26907), (990, 17938), (1980, 8969)]