19017360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 65063544

約数和(自身を除く): 46046184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 433, 488, 549, 610, 720, 732, 866, 915, 976, 1098, 1220, 1299, 1464, 1732, 1830, 2165, 2196, 2440, 2598, 2745, 2928, 3464, 3660, 3897, 4330, 4392, 4880, 5196, 5490, 6495, 6928, 7320, 7794, 8660, 8784, 10392, 10980, 12990, 14640, 15588, 17320, 19485, 20784, 21960, 25980, 26413, 31176, 34640, 38970, 43920, 51960, 52826, 62352, 77940, 79239, 103920, 105652, 132065, 155880, 158478, 211304, 237717, 264130, 311760, 316956, 396195, 422608, 475434, 528260, 633912, 792390, 950868, 1056520, 1188585, 1267824, 1584780, 1901736, 2113040, 2377170, 3169560, 3803472, 4754340, 6339120, 9508680, 19017360]

約数ペア:

[(1, 19017360), (2, 9508680), (3, 6339120), (4, 4754340), (5, 3803472), (6, 3169560), (8, 2377170), (9, 2113040), (10, 1901736), (12, 1584780), (15, 1267824), (16, 1188585), (18, 1056520), (20, 950868), (24, 792390), (30, 633912), (36, 528260), (40, 475434), (45, 422608), (48, 396195), (60, 316956), (61, 311760), (72, 264130), (80, 237717), (90, 211304), (120, 158478), (122, 155880), (144, 132065), (180, 105652), (183, 103920), (240, 79239), (244, 77940), (305, 62352), (360, 52826), (366, 51960), (433, 43920), (488, 38970), (549, 34640), (610, 31176), (720, 26413), (732, 25980), (866, 21960), (915, 20784), (976, 19485), (1098, 17320), (1220, 15588), (1299, 14640), (1464, 12990), (1732, 10980), (1830, 10392), (2165, 8784), (2196, 8660), (2440, 7794), (2598, 7320), (2745, 6928), (2928, 6495), (3464, 5490), (3660, 5196), (3897, 4880), (4330, 4392)]