20185549916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{19231}}^1$

素因数の和:21234

約数の個数: 48

約数和(自身を含む): 42519644160

約数和(自身を除く): 22334094244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1973, 3946, 7892, 13811, 19231, 27622, 37487, 38462, 55244, 74974, 76924, 134617, 149948, 262409, 269234, 365389, 524818, 538468, 730778, 1049636, 1461556, 2557723, 5115446, 10230892, 37942763, 75885526, 151771052, 265599341, 531198682, 720912497, 1062397364, 1441824994, 2883649988, 5046387479, 10092774958, 20185549916]

約数ペア:

[(1, 20185549916), (2, 10092774958), (4, 5046387479), (7, 2883649988), (14, 1441824994), (19, 1062397364), (28, 720912497), (38, 531198682), (76, 265599341), (133, 151771052), (266, 75885526), (532, 37942763), (1973, 10230892), (3946, 5115446), (7892, 2557723), (13811, 1461556), (19231, 1049636), (27622, 730778), (37487, 538468), (38462, 524818), (55244, 365389), (74974, 269234), (76924, 262409), (134617, 149948)]