19154380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 29616692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 47, 70, 71, 82, 94, 140, 142, 164, 188, 205, 235, 284, 287, 329, 355, 410, 470, 497, 574, 658, 710, 820, 940, 994, 1148, 1316, 1420, 1435, 1645, 1927, 1988, 2485, 2870, 2911, 3290, 3337, 3854, 4970, 5740, 5822, 6580, 6674, 7708, 9635, 9940, 11644, 13348, 13489, 14555, 16685, 19270, 20377, 23359, 26978, 29110, 33370, 38540, 40754, 46718, 53956, 58220, 66740, 67445, 81508, 93436, 101885, 116795, 134890, 136817, 203770, 233590, 269780, 273634, 407540, 467180, 547268, 684085, 957719, 1368170, 1915438, 2736340, 3830876, 4788595, 9577190, 19154380]

約数ペア:

[(1, 19154380), (2, 9577190), (4, 4788595), (5, 3830876), (7, 2736340), (10, 1915438), (14, 1368170), (20, 957719), (28, 684085), (35, 547268), (41, 467180), (47, 407540), (70, 273634), (71, 269780), (82, 233590), (94, 203770), (140, 136817), (142, 134890), (164, 116795), (188, 101885), (205, 93436), (235, 81508), (284, 67445), (287, 66740), (329, 58220), (355, 53956), (410, 46718), (470, 40754), (497, 38540), (574, 33370), (658, 29110), (710, 26978), (820, 23359), (940, 20377), (994, 19270), (1148, 16685), (1316, 14555), (1420, 13489), (1435, 13348), (1645, 11644), (1927, 9940), (1988, 9635), (2485, 7708), (2870, 6674), (2911, 6580), (3290, 5822), (3337, 5740), (3854, 4970)]