19428640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 41535200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 83, 88, 95, 110, 112, 133, 140, 152, 154, 160, 166, 176, 190, 209, 220, 224, 266, 280, 304, 308, 332, 352, 380, 385, 415, 418, 440, 532, 560, 581, 608, 616, 664, 665, 760, 770, 830, 836, 880, 913, 1045, 1064, 1120, 1162, 1232, 1328, 1330, 1463, 1520, 1540, 1577, 1660, 1672, 1760, 1826, 2090, 2128, 2324, 2464, 2656, 2660, 2905, 2926, 3040, 3080, 3154, 3320, 3344, 3652, 4180, 4256, 4565, 4648, 5320, 5810, 5852, 6160, 6308, 6391, 6640, 6688, 7304, 7315, 7885, 8360, 9130, 9296, 10640, 11039, 11620, 11704, 12320, 12616, 12782, 13280, 14608, 14630, 15770, 16720, 17347, 18260, 18592, 21280, 22078, 23240, 23408, 25232, 25564, 29216, 29260, 31540, 31955, 33440, 34694, 36520, 44156, 46480, 46816, 50464, 51128, 55195, 58520, 63080, 63910, 69388, 73040, 86735, 88312, 92960, 102256, 110390, 117040, 121429, 126160, 127820, 138776, 146080, 173470, 176624, 204512, 220780, 234080, 242858, 252320, 255640, 277552, 346940, 353248, 441560, 485716, 511280, 555104, 607145, 693880, 883120, 971432, 1022560, 1214290, 1387760, 1766240, 1942864, 2428580, 2775520, 3885728, 4857160, 9714320, 19428640]

約数ペア:

[(1, 19428640), (2, 9714320), (4, 4857160), (5, 3885728), (7, 2775520), (8, 2428580), (10, 1942864), (11, 1766240), (14, 1387760), (16, 1214290), (19, 1022560), (20, 971432), (22, 883120), (28, 693880), (32, 607145), (35, 555104), (38, 511280), (40, 485716), (44, 441560), (55, 353248), (56, 346940), (70, 277552), (76, 255640), (77, 252320), (80, 242858), (83, 234080), (88, 220780), (95, 204512), (110, 176624), (112, 173470), (133, 146080), (140, 138776), (152, 127820), (154, 126160), (160, 121429), (166, 117040), (176, 110390), (190, 102256), (209, 92960), (220, 88312), (224, 86735), (266, 73040), (280, 69388), (304, 63910), (308, 63080), (332, 58520), (352, 55195), (380, 51128), (385, 50464), (415, 46816), (418, 46480), (440, 44156), (532, 36520), (560, 34694), (581, 33440), (608, 31955), (616, 31540), (664, 29260), (665, 29216), (760, 25564), (770, 25232), (830, 23408), (836, 23240), (880, 22078), (913, 21280), (1045, 18592), (1064, 18260), (1120, 17347), (1162, 16720), (1232, 15770), (1328, 14630), (1330, 14608), (1463, 13280), (1520, 12782), (1540, 12616), (1577, 12320), (1660, 11704), (1672, 11620), (1760, 11039), (1826, 10640), (2090, 9296), (2128, 9130), (2324, 8360), (2464, 7885), (2656, 7315), (2660, 7304), (2905, 6688), (2926, 6640), (3040, 6391), (3080, 6308), (3154, 6160), (3320, 5852), (3344, 5810), (3652, 5320), (4180, 4648), (4256, 4565)]