19882512

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 180

約数和(自身を含む): 64899120

約数和(自身を除く): 45016608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 43, 48, 52, 57, 72, 76, 78, 86, 104, 114, 117, 129, 144, 152, 156, 169, 171, 172, 208, 228, 234, 247, 258, 304, 312, 338, 342, 344, 387, 456, 468, 494, 507, 516, 559, 624, 676, 684, 688, 741, 774, 817, 912, 936, 988, 1014, 1032, 1118, 1352, 1368, 1482, 1521, 1548, 1634, 1677, 1872, 1976, 2028, 2064, 2223, 2236, 2451, 2704, 2736, 2964, 3042, 3096, 3211, 3268, 3354, 3952, 4056, 4446, 4472, 4902, 5031, 5928, 6084, 6192, 6422, 6536, 6708, 7267, 7353, 8112, 8892, 8944, 9633, 9804, 10062, 10621, 11856, 12168, 12844, 13072, 13416, 14534, 14706, 17784, 19266, 19608, 20124, 21242, 21801, 24336, 25688, 26832, 28899, 29068, 29412, 31863, 35568, 38532, 39216, 40248, 42484, 43602, 51376, 57798, 58136, 58824, 63726, 65403, 77064, 80496, 84968, 87204, 95589, 115596, 116272, 117648, 127452, 130806, 138073, 154128, 169936, 174408, 191178, 231192, 254904, 261612, 276146, 348816, 382356, 414219, 462384, 509808, 523224, 552292, 764712, 828438, 1046448, 1104584, 1242657, 1529424, 1656876, 2209168, 2485314, 3313752, 4970628, 6627504, 9941256, 19882512]

約数ペア:

[(1, 19882512), (2, 9941256), (3, 6627504), (4, 4970628), (6, 3313752), (8, 2485314), (9, 2209168), (12, 1656876), (13, 1529424), (16, 1242657), (18, 1104584), (19, 1046448), (24, 828438), (26, 764712), (36, 552292), (38, 523224), (39, 509808), (43, 462384), (48, 414219), (52, 382356), (57, 348816), (72, 276146), (76, 261612), (78, 254904), (86, 231192), (104, 191178), (114, 174408), (117, 169936), (129, 154128), (144, 138073), (152, 130806), (156, 127452), (169, 117648), (171, 116272), (172, 115596), (208, 95589), (228, 87204), (234, 84968), (247, 80496), (258, 77064), (304, 65403), (312, 63726), (338, 58824), (342, 58136), (344, 57798), (387, 51376), (456, 43602), (468, 42484), (494, 40248), (507, 39216), (516, 38532), (559, 35568), (624, 31863), (676, 29412), (684, 29068), (688, 28899), (741, 26832), (774, 25688), (817, 24336), (912, 21801), (936, 21242), (988, 20124), (1014, 19608), (1032, 19266), (1118, 17784), (1352, 14706), (1368, 14534), (1482, 13416), (1521, 13072), (1548, 12844), (1634, 12168), (1677, 11856), (1872, 10621), (1976, 10062), (2028, 9804), (2064, 9633), (2223, 8944), (2236, 8892), (2451, 8112), (2704, 7353), (2736, 7267), (2964, 6708), (3042, 6536), (3096, 6422), (3211, 6192), (3268, 6084), (3354, 5928), (3952, 5031), (4056, 4902), (4446, 4472)]