19882168

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 39481200

約数和(自身を除く): 19599032

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 172, 232, 344, 1247, 1993, 2494, 3986, 4988, 7972, 9976, 15944, 57797, 85699, 115594, 171398, 231188, 342796, 462376, 685592, 2485271, 4970542, 9941084, 19882168]

約数ペア:

[(1, 19882168), (2, 9941084), (4, 4970542), (8, 2485271), (29, 685592), (43, 462376), (58, 342796), (86, 231188), (116, 171398), (172, 115594), (232, 85699), (344, 57797), (1247, 15944), (1993, 9976), (2494, 7972), (3986, 4988)]