19782147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2953}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 34030080

約数和(自身を除く): 14247933

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 2953, 6699, 8859, 20671, 32483, 62013, 85637, 97449, 227381, 256911, 599459, 682143, 942007, 1798377, 2826021, 6594049, 19782147]

約数ペア:

[(1, 19782147), (3, 6594049), (7, 2826021), (11, 1798377), (21, 942007), (29, 682143), (33, 599459), (77, 256911), (87, 227381), (203, 97449), (231, 85637), (319, 62013), (609, 32483), (957, 20671), (2233, 8859), (2953, 6699)]