19506123

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18233397

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 467, 663, 819, 1071, 1401, 1547, 1989, 2457, 3213, 3269, 4203, 4641, 5967, 6071, 7939, 9807, 12609, 13923, 18213, 23817, 29421, 41769, 42497, 54639, 55573, 71451, 88263, 103207, 127491, 163917, 166719, 214353, 309621, 382473, 500157, 722449, 928863, 1147419, 1500471, 2167347, 2786589, 6502041, 19506123]

約数ペア:

[(1, 19506123), (3, 6502041), (7, 2786589), (9, 2167347), (13, 1500471), (17, 1147419), (21, 928863), (27, 722449), (39, 500157), (51, 382473), (63, 309621), (91, 214353), (117, 166719), (119, 163917), (153, 127491), (189, 103207), (221, 88263), (273, 71451), (351, 55573), (357, 54639), (459, 42497), (467, 41769), (663, 29421), (819, 23817), (1071, 18213), (1401, 13923), (1547, 12609), (1989, 9807), (2457, 7939), (3213, 6071), (3269, 5967), (4203, 4641)]