19518240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 72624384

約数和(自身を除く): 53106144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 157, 160, 168, 185, 210, 222, 224, 240, 259, 280, 296, 314, 336, 370, 420, 444, 471, 480, 518, 555, 560, 592, 628, 672, 740, 777, 785, 840, 888, 942, 1036, 1099, 1110, 1120, 1184, 1256, 1295, 1480, 1554, 1570, 1680, 1776, 1884, 2072, 2198, 2220, 2355, 2512, 2590, 2960, 3108, 3140, 3297, 3360, 3552, 3768, 3885, 4144, 4396, 4440, 4710, 5024, 5180, 5495, 5809, 5920, 6216, 6280, 6594, 7536, 7770, 8288, 8792, 8880, 9420, 10360, 10990, 11618, 12432, 12560, 13188, 15072, 15540, 16485, 17427, 17584, 17760, 18840, 20720, 21980, 23236, 24864, 25120, 26376, 29045, 31080, 32970, 34854, 35168, 37680, 40663, 41440, 43960, 46472, 52752, 58090, 62160, 65940, 69708, 75360, 81326, 87135, 87920, 92944, 105504, 116180, 121989, 124320, 131880, 139416, 162652, 174270, 175840, 185888, 203315, 232360, 243978, 263760, 278832, 325304, 348540, 406630, 464720, 487956, 527520, 557664, 609945, 650608, 697080, 813260, 929440, 975912, 1219890, 1301216, 1394160, 1626520, 1951824, 2439780, 2788320, 3253040, 3903648, 4879560, 6506080, 9759120, 19518240]

約数ペア:

[(1, 19518240), (2, 9759120), (3, 6506080), (4, 4879560), (5, 3903648), (6, 3253040), (7, 2788320), (8, 2439780), (10, 1951824), (12, 1626520), (14, 1394160), (15, 1301216), (16, 1219890), (20, 975912), (21, 929440), (24, 813260), (28, 697080), (30, 650608), (32, 609945), (35, 557664), (37, 527520), (40, 487956), (42, 464720), (48, 406630), (56, 348540), (60, 325304), (70, 278832), (74, 263760), (80, 243978), (84, 232360), (96, 203315), (105, 185888), (111, 175840), (112, 174270), (120, 162652), (140, 139416), (148, 131880), (157, 124320), (160, 121989), (168, 116180), (185, 105504), (210, 92944), (222, 87920), (224, 87135), (240, 81326), (259, 75360), (280, 69708), (296, 65940), (314, 62160), (336, 58090), (370, 52752), (420, 46472), (444, 43960), (471, 41440), (480, 40663), (518, 37680), (555, 35168), (560, 34854), (592, 32970), (628, 31080), (672, 29045), (740, 26376), (777, 25120), (785, 24864), (840, 23236), (888, 21980), (942, 20720), (1036, 18840), (1099, 17760), (1110, 17584), (1120, 17427), (1184, 16485), (1256, 15540), (1295, 15072), (1480, 13188), (1554, 12560), (1570, 12432), (1680, 11618), (1776, 10990), (1884, 10360), (2072, 9420), (2198, 8880), (2220, 8792), (2355, 8288), (2512, 7770), (2590, 7536), (2960, 6594), (3108, 6280), (3140, 6216), (3297, 5920), (3360, 5809), (3552, 5495), (3768, 5180), (3885, 5024), (4144, 4710), (4396, 4440)]