19308978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 49008960

約数和(自身を除く): 29699982

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 43, 57, 78, 86, 101, 114, 117, 129, 171, 202, 234, 247, 258, 303, 342, 387, 494, 559, 606, 741, 774, 817, 909, 1118, 1313, 1482, 1634, 1677, 1818, 1919, 2223, 2451, 2626, 3354, 3838, 3939, 4343, 4446, 4902, 5031, 5757, 7353, 7878, 8686, 10062, 10621, 11514, 11817, 13029, 14706, 17271, 21242, 23634, 24947, 26058, 31863, 34542, 39087, 49894, 56459, 63726, 74841, 78174, 82517, 95589, 112918, 149682, 165034, 169377, 191178, 224523, 247551, 338754, 449046, 495102, 508131, 742653, 1016262, 1072721, 1485306, 2145442, 3218163, 6436326, 9654489, 19308978]

約数ペア:

[(1, 19308978), (2, 9654489), (3, 6436326), (6, 3218163), (9, 2145442), (13, 1485306), (18, 1072721), (19, 1016262), (26, 742653), (38, 508131), (39, 495102), (43, 449046), (57, 338754), (78, 247551), (86, 224523), (101, 191178), (114, 169377), (117, 165034), (129, 149682), (171, 112918), (202, 95589), (234, 82517), (247, 78174), (258, 74841), (303, 63726), (342, 56459), (387, 49894), (494, 39087), (559, 34542), (606, 31863), (741, 26058), (774, 24947), (817, 23634), (909, 21242), (1118, 17271), (1313, 14706), (1482, 13029), (1634, 11817), (1677, 11514), (1818, 10621), (1919, 10062), (2223, 8686), (2451, 7878), (2626, 7353), (3354, 5757), (3838, 5031), (3939, 4902), (4343, 4446)]