19152760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 32687240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 29, 38, 40, 44, 55, 58, 76, 79, 88, 95, 110, 116, 145, 152, 158, 190, 209, 220, 232, 290, 316, 319, 380, 395, 418, 440, 551, 580, 632, 638, 760, 790, 836, 869, 1045, 1102, 1160, 1276, 1501, 1580, 1595, 1672, 1738, 2090, 2204, 2291, 2552, 2755, 3002, 3160, 3190, 3476, 4180, 4345, 4408, 4582, 5510, 6004, 6061, 6380, 6952, 7505, 8360, 8690, 9164, 11020, 11455, 12008, 12122, 12760, 15010, 16511, 17380, 18328, 22040, 22910, 24244, 25201, 30020, 30305, 33022, 34760, 43529, 45820, 48488, 50402, 60040, 60610, 66044, 82555, 87058, 91640, 100804, 121220, 126005, 132088, 165110, 174116, 201608, 217645, 242440, 252010, 330220, 348232, 435290, 478819, 504020, 660440, 870580, 957638, 1008040, 1741160, 1915276, 2394095, 3830552, 4788190, 9576380, 19152760]

約数ペア:

[(1, 19152760), (2, 9576380), (4, 4788190), (5, 3830552), (8, 2394095), (10, 1915276), (11, 1741160), (19, 1008040), (20, 957638), (22, 870580), (29, 660440), (38, 504020), (40, 478819), (44, 435290), (55, 348232), (58, 330220), (76, 252010), (79, 242440), (88, 217645), (95, 201608), (110, 174116), (116, 165110), (145, 132088), (152, 126005), (158, 121220), (190, 100804), (209, 91640), (220, 87058), (232, 82555), (290, 66044), (316, 60610), (319, 60040), (380, 50402), (395, 48488), (418, 45820), (440, 43529), (551, 34760), (580, 33022), (632, 30305), (638, 30020), (760, 25201), (790, 24244), (836, 22910), (869, 22040), (1045, 18328), (1102, 17380), (1160, 16511), (1276, 15010), (1501, 12760), (1580, 12122), (1595, 12008), (1672, 11455), (1738, 11020), (2090, 9164), (2204, 8690), (2291, 8360), (2552, 7505), (2755, 6952), (3002, 6380), (3160, 6061), (3190, 6004), (3476, 5510), (4180, 4582), (4345, 4408)]