19204185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 41287680

約数和(自身を除く): 22083495

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1279, 1365, 2145, 3003, 3837, 5005, 6395, 8953, 14069, 15015, 16627, 19185, 26859, 42207, 44765, 49881, 70345, 83135, 98483, 116389, 134295, 182897, 211035, 249405, 295449, 349167, 492415, 548691, 581945, 914485, 1280279, 1477245, 1745835, 2743455, 3840837, 6401395, 19204185]

約数ペア:

[(1, 19204185), (3, 6401395), (5, 3840837), (7, 2743455), (11, 1745835), (13, 1477245), (15, 1280279), (21, 914485), (33, 581945), (35, 548691), (39, 492415), (55, 349167), (65, 295449), (77, 249405), (91, 211035), (105, 182897), (143, 134295), (165, 116389), (195, 98483), (231, 83135), (273, 70345), (385, 49881), (429, 44765), (455, 42207), (715, 26859), (1001, 19185), (1155, 16627), (1279, 15015), (1365, 14069), (2145, 8953), (3003, 6395), (3837, 5005)]