19874880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 168

約数和(自身を含む): 70055232

約数和(自身を除く): 50180352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 103, 120, 134, 144, 160, 180, 192, 201, 206, 240, 268, 288, 309, 320, 335, 360, 402, 412, 480, 515, 536, 576, 603, 618, 670, 720, 804, 824, 927, 960, 1005, 1030, 1072, 1206, 1236, 1340, 1440, 1545, 1608, 1648, 1854, 2010, 2060, 2144, 2412, 2472, 2680, 2880, 3015, 3090, 3216, 3296, 3708, 4020, 4120, 4288, 4635, 4824, 4944, 5360, 6030, 6180, 6432, 6592, 6901, 7416, 8040, 8240, 9270, 9648, 9888, 10720, 12060, 12360, 12864, 13802, 14832, 16080, 16480, 18540, 19296, 19776, 20703, 21440, 24120, 24720, 27604, 29664, 32160, 32960, 34505, 37080, 38592, 41406, 48240, 49440, 55208, 59328, 62109, 64320, 69010, 74160, 82812, 96480, 98880, 103515, 110416, 124218, 138020, 148320, 165624, 192960, 207030, 220832, 248436, 276040, 296640, 310545, 331248, 414060, 441664, 496872, 552080, 621090, 662496, 828120, 993744, 1104160, 1242180, 1324992, 1656240, 1987488, 2208320, 2484360, 3312480, 3974976, 4968720, 6624960, 9937440, 19874880]

約数ペア:

[(1, 19874880), (2, 9937440), (3, 6624960), (4, 4968720), (5, 3974976), (6, 3312480), (8, 2484360), (9, 2208320), (10, 1987488), (12, 1656240), (15, 1324992), (16, 1242180), (18, 1104160), (20, 993744), (24, 828120), (30, 662496), (32, 621090), (36, 552080), (40, 496872), (45, 441664), (48, 414060), (60, 331248), (64, 310545), (67, 296640), (72, 276040), (80, 248436), (90, 220832), (96, 207030), (103, 192960), (120, 165624), (134, 148320), (144, 138020), (160, 124218), (180, 110416), (192, 103515), (201, 98880), (206, 96480), (240, 82812), (268, 74160), (288, 69010), (309, 64320), (320, 62109), (335, 59328), (360, 55208), (402, 49440), (412, 48240), (480, 41406), (515, 38592), (536, 37080), (576, 34505), (603, 32960), (618, 32160), (670, 29664), (720, 27604), (804, 24720), (824, 24120), (927, 21440), (960, 20703), (1005, 19776), (1030, 19296), (1072, 18540), (1206, 16480), (1236, 16080), (1340, 14832), (1440, 13802), (1545, 12864), (1608, 12360), (1648, 12060), (1854, 10720), (2010, 9888), (2060, 9648), (2144, 9270), (2412, 8240), (2472, 8040), (2680, 7416), (2880, 6901), (3015, 6592), (3090, 6432), (3216, 6180), (3296, 6030), (3708, 5360), (4020, 4944), (4120, 4824), (4288, 4635)]