19177173

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 30124068

約数和(自身を除く): 10946895

約数列:

[1, 3, 9, 17, 51, 73, 101, 153, 219, 289, 303, 657, 867, 909, 1241, 1717, 2601, 3723, 5151, 7373, 11169, 15453, 21097, 22119, 29189, 63291, 66357, 87567, 125341, 189873, 262701, 376023, 1128069, 2130797, 6392391, 19177173]

約数ペア:

[(1, 19177173), (3, 6392391), (9, 2130797), (17, 1128069), (51, 376023), (73, 262701), (101, 189873), (153, 125341), (219, 87567), (289, 66357), (303, 63291), (657, 29189), (867, 22119), (909, 21097), (1241, 15453), (1717, 11169), (2601, 7373), (3723, 5151)]