19677120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:322

約数の個数: 112

約数和(自身を含む): 63398400

約数和(自身を除く): 43721280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 160, 192, 199, 206, 240, 309, 320, 398, 412, 480, 515, 597, 618, 796, 824, 960, 995, 1030, 1194, 1236, 1545, 1592, 1648, 1990, 2060, 2388, 2472, 2985, 3090, 3184, 3296, 3980, 4120, 4776, 4944, 5970, 6180, 6368, 6592, 7960, 8240, 9552, 9888, 11940, 12360, 12736, 15920, 16480, 19104, 19776, 20497, 23880, 24720, 31840, 32960, 38208, 40994, 47760, 49440, 61491, 63680, 81988, 95520, 98880, 102485, 122982, 163976, 191040, 204970, 245964, 307455, 327952, 409940, 491928, 614910, 655904, 819880, 983856, 1229820, 1311808, 1639760, 1967712, 2459640, 3279520, 3935424, 4919280, 6559040, 9838560, 19677120]

約数ペア:

[(1, 19677120), (2, 9838560), (3, 6559040), (4, 4919280), (5, 3935424), (6, 3279520), (8, 2459640), (10, 1967712), (12, 1639760), (15, 1311808), (16, 1229820), (20, 983856), (24, 819880), (30, 655904), (32, 614910), (40, 491928), (48, 409940), (60, 327952), (64, 307455), (80, 245964), (96, 204970), (103, 191040), (120, 163976), (160, 122982), (192, 102485), (199, 98880), (206, 95520), (240, 81988), (309, 63680), (320, 61491), (398, 49440), (412, 47760), (480, 40994), (515, 38208), (597, 32960), (618, 31840), (796, 24720), (824, 23880), (960, 20497), (995, 19776), (1030, 19104), (1194, 16480), (1236, 15920), (1545, 12736), (1592, 12360), (1648, 11940), (1990, 9888), (2060, 9552), (2388, 8240), (2472, 7960), (2985, 6592), (3090, 6368), (3184, 6180), (3296, 5970), (3980, 4944), (4120, 4776)]