19716888

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^2\times {\mathrm{1553}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 51561720

約数和(自身を除く): 31844832

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 529, 552, 1058, 1553, 1587, 2116, 3106, 3174, 4232, 4659, 6212, 6348, 9318, 12424, 12696, 18636, 35719, 37272, 71438, 107157, 142876, 214314, 285752, 428628, 821537, 857256, 1643074, 2464611, 3286148, 4929222, 6572296, 9858444, 19716888]

約数ペア:

[(1, 19716888), (2, 9858444), (3, 6572296), (4, 4929222), (6, 3286148), (8, 2464611), (12, 1643074), (23, 857256), (24, 821537), (46, 428628), (69, 285752), (92, 214314), (138, 142876), (184, 107157), (276, 71438), (529, 37272), (552, 35719), (1058, 18636), (1553, 12696), (1587, 12424), (2116, 9318), (3106, 6348), (3174, 6212), (4232, 4659)]