19647520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 51166080

約数和(自身を除く): 31518560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 281, 304, 368, 380, 437, 460, 562, 608, 736, 760, 874, 920, 1124, 1405, 1520, 1748, 1840, 2185, 2248, 2810, 3040, 3496, 3680, 4370, 4496, 5339, 5620, 6463, 6992, 8740, 8992, 10678, 11240, 12926, 13984, 17480, 21356, 22480, 25852, 26695, 32315, 34960, 42712, 44960, 51704, 53390, 64630, 69920, 85424, 103408, 106780, 122797, 129260, 170848, 206816, 213560, 245594, 258520, 427120, 491188, 517040, 613985, 854240, 982376, 1034080, 1227970, 1964752, 2455940, 3929504, 4911880, 9823760, 19647520]

約数ペア:

[(1, 19647520), (2, 9823760), (4, 4911880), (5, 3929504), (8, 2455940), (10, 1964752), (16, 1227970), (19, 1034080), (20, 982376), (23, 854240), (32, 613985), (38, 517040), (40, 491188), (46, 427120), (76, 258520), (80, 245594), (92, 213560), (95, 206816), (115, 170848), (152, 129260), (160, 122797), (184, 106780), (190, 103408), (230, 85424), (281, 69920), (304, 64630), (368, 53390), (380, 51704), (437, 44960), (460, 42712), (562, 34960), (608, 32315), (736, 26695), (760, 25852), (874, 22480), (920, 21356), (1124, 17480), (1405, 13984), (1520, 12926), (1748, 11240), (1840, 10678), (2185, 8992), (2248, 8740), (2810, 6992), (3040, 6463), (3496, 5620), (3680, 5339), (4370, 4496)]