19861080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 64972800

約数和(自身を除く): 45111720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 281, 285, 310, 372, 380, 456, 465, 562, 570, 589, 620, 744, 760, 843, 930, 1124, 1140, 1178, 1240, 1405, 1686, 1767, 1860, 2248, 2280, 2356, 2810, 2945, 3372, 3534, 3720, 4215, 4712, 5339, 5620, 5890, 6744, 7068, 8430, 8711, 8835, 10678, 11240, 11780, 14136, 16017, 16860, 17422, 17670, 21356, 23560, 26133, 26695, 32034, 33720, 34844, 35340, 42712, 43555, 52266, 53390, 64068, 69688, 70680, 80085, 87110, 104532, 106780, 128136, 130665, 160170, 165509, 174220, 209064, 213560, 261330, 320340, 331018, 348440, 496527, 522660, 640680, 662036, 827545, 993054, 1045320, 1324072, 1655090, 1986108, 2482635, 3310180, 3972216, 4965270, 6620360, 9930540, 19861080]

約数ペア:

[(1, 19861080), (2, 9930540), (3, 6620360), (4, 4965270), (5, 3972216), (6, 3310180), (8, 2482635), (10, 1986108), (12, 1655090), (15, 1324072), (19, 1045320), (20, 993054), (24, 827545), (30, 662036), (31, 640680), (38, 522660), (40, 496527), (57, 348440), (60, 331018), (62, 320340), (76, 261330), (93, 213560), (95, 209064), (114, 174220), (120, 165509), (124, 160170), (152, 130665), (155, 128136), (186, 106780), (190, 104532), (228, 87110), (248, 80085), (281, 70680), (285, 69688), (310, 64068), (372, 53390), (380, 52266), (456, 43555), (465, 42712), (562, 35340), (570, 34844), (589, 33720), (620, 32034), (744, 26695), (760, 26133), (843, 23560), (930, 21356), (1124, 17670), (1140, 17422), (1178, 16860), (1240, 16017), (1405, 14136), (1686, 11780), (1767, 11240), (1860, 10678), (2248, 8835), (2280, 8711), (2356, 8430), (2810, 7068), (2945, 6744), (3372, 5890), (3534, 5620), (3720, 5339), (4215, 4712)]