19691381196

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{80191}}^1$

素因数の和:80579

約数の個数: 72

約数和(自身を含む): 52541798400

約数和(自身を除く): 32850417204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 359, 684, 718, 1077, 1436, 2154, 3231, 4308, 6462, 6821, 12924, 13642, 20463, 27284, 40926, 61389, 80191, 81852, 122778, 160382, 240573, 245556, 320764, 481146, 721719, 962292, 1443438, 1523629, 2886876, 3047258, 4570887, 6094516, 9141774, 13712661, 18283548, 27425322, 28788569, 54850644, 57577138, 86365707, 115154276, 172731414, 259097121, 345462828, 518194242, 546982811, 1036388484, 1093965622, 1640948433, 2187931244, 3281896866, 4922845299, 6563793732, 9845690598, 19691381196]

約数ペア:

[(1, 19691381196), (2, 9845690598), (3, 6563793732), (4, 4922845299), (6, 3281896866), (9, 2187931244), (12, 1640948433), (18, 1093965622), (19, 1036388484), (36, 546982811), (38, 518194242), (57, 345462828), (76, 259097121), (114, 172731414), (171, 115154276), (228, 86365707), (342, 57577138), (359, 54850644), (684, 28788569), (718, 27425322), (1077, 18283548), (1436, 13712661), (2154, 9141774), (3231, 6094516), (4308, 4570887), (6462, 3047258), (6821, 2886876), (12924, 1523629), (13642, 1443438), (20463, 962292), (27284, 721719), (40926, 481146), (61389, 320764), (80191, 245556), (81852, 240573), (122778, 160382)]