19249920

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{557}}^1$

素因数の和:587

約数の個数: 144

約数和(自身を含む): 68433120

約数和(自身を除く): 49183200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 557, 576, 640, 720, 768, 864, 960, 1080, 1114, 1152, 1280, 1440, 1671, 1728, 1920, 2160, 2228, 2304, 2785, 2880, 3342, 3456, 3840, 4320, 4456, 5013, 5570, 5760, 6684, 6912, 8355, 8640, 8912, 10026, 11140, 11520, 13368, 15039, 16710, 17280, 17824, 20052, 22280, 25065, 26736, 30078, 33420, 34560, 35648, 40104, 44560, 50130, 53472, 60156, 66840, 71296, 75195, 80208, 89120, 100260, 106944, 120312, 133680, 142592, 150390, 160416, 178240, 200520, 213888, 240624, 267360, 300780, 320832, 356480, 401040, 427776, 481248, 534720, 601560, 641664, 712960, 802080, 962496, 1069440, 1203120, 1283328, 1604160, 1924992, 2138880, 2406240, 3208320, 3849984, 4812480, 6416640, 9624960, 19249920]

約数ペア:

[(1, 19249920), (2, 9624960), (3, 6416640), (4, 4812480), (5, 3849984), (6, 3208320), (8, 2406240), (9, 2138880), (10, 1924992), (12, 1604160), (15, 1283328), (16, 1203120), (18, 1069440), (20, 962496), (24, 802080), (27, 712960), (30, 641664), (32, 601560), (36, 534720), (40, 481248), (45, 427776), (48, 401040), (54, 356480), (60, 320832), (64, 300780), (72, 267360), (80, 240624), (90, 213888), (96, 200520), (108, 178240), (120, 160416), (128, 150390), (135, 142592), (144, 133680), (160, 120312), (180, 106944), (192, 100260), (216, 89120), (240, 80208), (256, 75195), (270, 71296), (288, 66840), (320, 60156), (360, 53472), (384, 50130), (432, 44560), (480, 40104), (540, 35648), (557, 34560), (576, 33420), (640, 30078), (720, 26736), (768, 25065), (864, 22280), (960, 20052), (1080, 17824), (1114, 17280), (1152, 16710), (1280, 15039), (1440, 13368), (1671, 11520), (1728, 11140), (1920, 10026), (2160, 8912), (2228, 8640), (2304, 8355), (2785, 6912), (2880, 6684), (3342, 5760), (3456, 5570), (3840, 5013), (4320, 4456)]